Capitalize "Elasticsearch" in indexing speed docs
Capitalize "Elasticsearch" in indexing speed docs

This commit fixes the capitalization of "Elasticsearch" in the indexing
speed docs.

Relates #22659
scorpionvicky/elasticsearch,ZTE-PaaS/elasticsearch,gingerwizard/elasticsearch,i-am-Nathan/elasticsearch,njlawton/elasticsearch,wenpos/elasticsearch,gfyoung/elasticsearch,scorpionvicky/elasticsearch,scottsom/elasticsearch,robin13/elasticsearch,ThiagoGarciaAlves/elasticsearch,artnowo/elasticsearch,JackyMai/elasticsearch,strapdata/elassandra,strapdata/elassandra,umeshdangat/elasticsearch,sneivandt/elasticsearch,C-Bish/elasticsearch,nknize/elasticsearch,mohit/elasticsearch,rajanm/elasticsearch,markwalkom/elasticsearch,qwerty4030/elasticsearch,scorpionvicky/elasticsearch,uschindler/elasticsearch,strapdata/elassandra,brandonkearby/elasticsearch,alexshadow007/elasticsearch,wangtuo/elasticsearch,IanvsPoplicola/elasticsearch,nezirus/elasticsearch,LeoYao/elasticsearch,maddin2016/elasticsearch,winstonewert/elasticsearch,MisterAndersen/elasticsearch,maddin2016/elasticsearch,JackyMai/elasticsearch,brandonkearby/elasticsearch,gfyoung/elasticsearch,robin13/elasticsearch,HonzaKral/elasticsearch,uschindler/elasticsearch,C-Bish/elasticsearch,wenpos/elasticsearch,C-Bish/elasticsearch,wangtuo/elasticsearch,elasticdog/elasticsearch,alexshadow007/elasticsearch,strapdata/elassandra,LewayneNaidoo/elasticsearch,mortonsykes/elasticsearch,ZTE-PaaS/elasticsearch,nezirus/elasticsearch,scorpionvicky/elasticsearch,a2lin/elasticsearch,Shepard1212/elasticsearch,lks21c/elasticsearch,naveenhooda2000/elasticsearch,MisterAndersen/elasticsearch,sneivandt/elasticsearch,markwalkom/elasticsearch,IanvsPoplicola/elasticsearch,pozhidaevak/elasticsearch,fred84/elasticsearch,nazarewk/elasticsearch,LeoYao/elasticsearch,C-Bish/elasticsearch,wangtuo/elasticsearch,mikemccand/elasticsearch,pozhidaevak/elasticsearch,rlugojr/elasticsearch,mjason3/elasticsearch,HonzaKral/elasticsearch,mikemccand/elasticsearch,coding0011/elasticsearch,fernandozhu/elasticsearch,pozhidaevak/elasticsearch,vroyer/elassandra,wangtuo/elasticsearch,alexshadow007/elasticsearch,coding0011/elasticsearch,nilabhsagar/elasticsearch,wenpos/elasticsearch,shreejay/elasticsearch,mortonsykes/elasticsearch,coding0011/elasticsearch,obourgain/elasticsearch,ZTE-PaaS/elasticsearch,Stacey-Gammon/elasticsearch,kalimatas/elasticsearch,LeoYao/elasticsearch,alexshadow007/elasticsearch,mohit/elasticsearch,JackyMai/elasticsearch,uschindler/elasticsearch,scottsom/elasticsearch,rlugojr/elasticsearch,nezirus/elasticsearch,vroyer/elasticassandra,coding0011/elasticsearch,Shepard1212/elasticsearch,nilabhsagar/elasticsearch,umeshdangat/elasticsearch,rajanm/elasticsearch,qwerty4030/elasticsearch,gfyoung/elasticsearch,nezirus/elasticsearch,StefanGor/elasticsearch,kalimatas/elasticsearch,a2lin/elasticsearch,ThiagoGarciaAlves/elasticsearch,brandonkearby/elasticsearch,robin13/elasticsearch,bawse/elasticsearch,JSCooke/elasticsearch,a2lin/elasticsearch,gfyoung/elasticsearch,jimczi/elasticsearch,LeoYao/elasticsearch,geidies/elasticsearch,nazarewk/elasticsearch,vroyer/elassandra,elasticdog/elasticsearch,Helen-Zhao/elasticsearch,GlenRSmith/elasticsearch,fernandozhu/elasticsearch,IanvsPoplicola/elasticsearch,HonzaKral/elasticsearch,MisterAndersen/elasticsearch,rlugojr/elasticsearch,jprante/elasticsearch,geidies/elasticsearch,scottsom/elasticsearch,masaruh/elasticsearch,umeshdangat/elasticsearch,s1monw/elasticsearch,shreejay/elasticsearch,nazarewk/elasticsearch,jimczi/elasticsearch,lks21c/elasticsearch,GlenRSmith/elasticsearch,qwerty4030/elasticsearch,nknize/elasticsearch,brandonkearby/elasticsearch,glefloch/elasticsearch,C-Bish/elasticsearch,artnowo/elasticsearch,Helen-Zhao/elasticsearch,vroyer/elassandra,obourgain/elasticsearch,artnowo/elasticsearch,Stacey-Gammon/elasticsearch,nknize/elasticsearch,MisterAndersen/elasticsearch,GlenRSmith/elasticsearch,markwalkom/elasticsearch,njlawton/elasticsearch,winstonewert/elasticsearch,mikemccand/elasticsearch,bawse/elasticsearch,LewayneNaidoo/elasticsearch,naveenhooda2000/elasticsearch,geidies/elasticsearch,fernandozhu/elasticsearch,jprante/elasticsearch,masaruh/elasticsearch,mjason3/elasticsearch,lks21c/elasticsearch,LewayneNaidoo/elasticsearch,shreejay/elasticsearch,glefloch/elasticsearch,obourgain/elasticsearch,shreejay/elasticsearch,JSCooke/elasticsearch,jimczi/elasticsearch,GlenRSmith/elasticsearch,ZTE-PaaS/elasticsearch,JackyMai/elasticsearch,brandonkearby/elasticsearch,IanvsPoplicola/elasticsearch,vroyer/elasticassandra,StefanGor/elasticsearch,fred84/elasticsearch,coding0011/elasticsearch,fernandozhu/elasticsearch,Helen-Zhao/elasticsearch,ThiagoGarciaAlves/elasticsearch,LeoYao/elasticsearch,kalimatas/elasticsearch,njlawton/elasticsearch,mohit/elasticsearch,nezirus/elasticsearch,gfyoung/elasticsearch,naveenhooda2000/elasticsearch,mortonsykes/elasticsearch,jimczi/elasticsearch,Helen-Zhao/elasticsearch,gingerwizard/elasticsearch,s1monw/elasticsearch,qwerty4030/elasticsearch,lks21c/elasticsearch,nilabhsagar/elasticsearch,Stacey-Gammon/elasticsearch,wangtuo/elasticsearch,bawse/elasticsearch,s1monw/elasticsearch,lks21c/elasticsearch,scottsom/elasticsearch,a2lin/elasticsearch,IanvsPoplicola/elasticsearch,qwerty4030/elasticsearch,jprante/elasticsearch,StefanGor/elasticsearch,kalimatas/elasticsearch,geidies/elasticsearch,mortonsykes/elasticsearch,markwalkom/elasticsearch,umeshdangat/elasticsearch,shreejay/elasticsearch,umeshdangat/elasticsearch,wenpos/elasticsearch,masaruh/elasticsearch,robin13/elasticsearch,LeoYao/elasticsearch,a2lin/elasticsearch,geidies/elasticsearch,fernandozhu/elasticsearch,StefanGor/elasticsearch,nknize/elasticsearch,elasticdog/elasticsearch,fred84/elasticsearch,masaruh/elasticsearch,uschindler/elasticsearch,elasticdog/elasticsearch,i-am-Nathan/elasticsearch,scorpionvicky/elasticsearch,robin13/elasticsearch,glefloch/elasticsearch,gingerwizard/elasticsearch,strapdata/elassandra,LewayneNaidoo/elasticsearch,uschindler/elasticsearch,glefloch/elasticsearch,mjason3/elasticsearch,geidies/elasticsearch,JSCooke/elasticsearch,rajanm/elasticsearch,nazarewk/elasticsearch,naveenhooda2000/elasticsearch,bawse/elasticsearch,mjason3/elasticsearch,i-am-Nathan/elasticsearch,mortonsykes/elasticsearch,wenpos/elasticsearch,ThiagoGarciaAlves/elasticsearch,njlawton/elasticsearch,obourgain/elasticsearch,i-am-Nathan/elasticsearch,kalimatas/elasticsearch,JSCooke/elasticsearch,MisterAndersen/elasticsearch,nknize/elasticsearch,masaruh/elasticsearch,ZTE-PaaS/elasticsearch,rlugojr/elasticsearch,Stacey-Gammon/elasticsearch,jprante/elasticsearch,mohit/elasticsearch,Shepard1212/elasticsearch,gingerwizard/elasticsearch,JackyMai/elasticsearch,gingerwizard/elasticsearch,maddin2016/elasticsearch,gingerwizard/elasticsearch,sneivandt/elasticsearch,markwalkom/elasticsearch,JSCooke/elasticsearch,sneivandt/elasticsearch,Stacey-Gammon/elasticsearch,mikemccand/elasticsearch,rlugojr/elasticsearch,ThiagoGarciaAlves/elasticsearch,winstonewert/elasticsearch,elasticdog/elasticsearch,jimczi/elasticsearch,rajanm/elasticsearch,rajanm/elasticsearch,gingerwizard/elasticsearch,bawse/elasticsearch,artnowo/elasticsearch,mjason3/elasticsearch,winstonewert/elasticsearch,scottsom/elasticsearch,ThiagoGarciaAlves/elasticsearch,fred84/elasticsearch,sneivandt/elasticsearch,markwalkom/elasticsearch,StefanGor/elasticsearch,HonzaKral/elasticsearch,winstonewert/elasticsearch,Shepard1212/elasticsearch,GlenRSmith/elasticsearch,s1monw/elasticsearch,LeoYao/elasticsearch,Shepard1212/elasticsearch,mohit/elasticsearch,alexshadow007/elasticsearch,obourgain/elasticsearch,fred84/elasticsearch,maddin2016/elasticsearch,nilabhsagar/elasticsearch,naveenhooda2000/elasticsearch,mikemccand/elasticsearch,vroyer/elasticassandra,maddin2016/elasticsearch,artnowo/elasticsearch,pozhidaevak/elasticsearch,i-am-Nathan/elasticsearch,glefloch/elasticsearch,LewayneNaidoo/elasticsearch,Helen-Zhao/elasticsearch,s1monw/elasticsearch,jprante/elasticsearch,rajanm/elasticsearch,njlawton/elasticsearch,nilabhsagar/elasticsearch,pozhidaevak/elasticsearch,nazarewk/elasticsearch