Port #19410 to v4
Port #19410 to v4

Clarify valid values of Carousel's `pause` option

Fixes #18205

[skip sauce]

lemuelbarango/bootstrap,SweetProcess/bootstrap,davethegr8/bootstrap,zalog/bootstrap,igoynawamreh/bootstrap,janseliger/bootstrap,gijsbotje/bootstrap,lipis/bootstrap,seanwu99/bootstrap,tagliala/bootstrap,lemuelbarango/bootstrap,creativewebjp/bootstrap,Scoutski/bootstrap,vsn4ik/bootstrap,zalog/bootstrap,copperdesign/bootstrap,edanbarak/bootstrap,realcrowd/bootstrap,janseliger/bootstrap,tagliala/bootstrap,joblocal/bootstrap,stanwmusic/bootstrap,stanwmusic/bootstrap,copperdesign/bootstrap,davethegr8/bootstrap,slavanga/bootstrap,hebbet/bootstrap,NCARB/bootstrap,9-chirno/chirno,sealocal/bootstrap,wesamco/bootstrap-rtl,lipis/bootstrap,fschumann1211/bootstrap,stanwmusic/bootstrap,andresgalante/bootstrap,bardiharborow/bootstrap,bootstrapbrasil/bootstrap,vsn4ik/bootstrap,IdanCo/bootstrap,joblocal/bootstrap,Lyricalz/bootstrap,GerHobbelt/bootstrap,afuno/bootstrap,seanwu99/bootstrap,coliff/bootstrap,IdanCo/bootstrap,xt0rted/bootstrap,copperdesign/bootstrap,kvlsrg/bootstrap,n054/bootstrap,sealocal/bootstrap,hebbet/bootstrap,Lyricalz/bootstrap,edanbarak/bootstrap,bootstrapbrasil/bootstrap,johnajacob/bootstrap,xt0rted/bootstrap,NCARB/bootstrap,johnajacob/bootstrap,andresgalante/bootstrap,nice-fungal/bootstrap,Scoutski/bootstrap,andresgalante/bootstrap,igoynawamreh/bootstrap,twbs/bootstrap,tjkohli/bootstrap,m5o/bootstrap,Delagen/bootstrap,bootstrapbrasil/bootstrap,jipexu/bootstrap,Hemphill/bootstrap-docs,abvalentine/bootstrap,igoynawamreh/bootstrap,sealocal/bootstrap,n054/bootstrap,peterblazejewicz/bootstrap,peterblazejewicz/bootstrap,lipis/bootstrap,TheFridayInstitute/bootstrap,afuno/bootstrap,joblocal/bootstrap,tomlutzenberger/bootstrap,edanbarak/bootstrap,TheFridayInstitute/bootstrap,jipexu/bootstrap,realcrowd/bootstrap,tibo66/bootstrap,davethegr8/bootstrap,m5o/bootstrap,tagliala/bootstrap,lemuelbarango/bootstrap,hebbet/bootstrap,Lyricalz/bootstrap,tjkohli/bootstrap,9-chirno/chirno,bardiharborow/bootstrap,edanbarak/bootstrap,lipis/bootstrap,SweetProcess/bootstrap,kvlsrg/bootstrap,nice-fungal/bootstrap,wesamco/bootstrap-rtl,kvlsrg/bootstrap,joblocal/bootstrap,afuno/bootstrap,TheFridayInstitute/bootstrap,GerHobbelt/bootstrap,slavanga/bootstrap,fschumann1211/bootstrap,supergibbs/bootstrap,SweetProcess/bootstrap,yuyokk/bootstrap,creativewebjp/bootstrap,wesamco/bootstrap-rtl,abvalentine/bootstrap,JumpLinkNetwork/bootstrap-backward,xt0rted/bootstrap,bardiharborow/bootstrap,Hemphill/bootstrap-docs,coliff/bootstrap,yuyokk/bootstrap,peterblazejewicz/bootstrap,tibo66/bootstrap,Delagen/bootstrap,slavanga/bootstrap,supergibbs/bootstrap,9-chirno/chirno,abvalentine/bootstrap,creativewebjp/bootstrap,tomlutzenberger/bootstrap,inway/bootstrap,janseliger/bootstrap,JumpLinkNetwork/bootstrap-backward,realcrowd/bootstrap,inway/bootstrap,xt0rted/bootstrap,nice-fungal/bootstrap,copperdesign/bootstrap,JumpLinkNetwork/bootstrap-backward,jipexu/bootstrap,GerHobbelt/bootstrap,yuyokk/bootstrap,seanwu99/bootstrap,creativewebjp/bootstrap,NCARB/bootstrap,Scoutski/bootstrap,Delagen/bootstrap,afuno/bootstrap,davethegr8/bootstrap,zalog/bootstrap,Delagen/bootstrap,supergibbs/bootstrap,igoynawamreh/bootstrap,twbs/bootstrap,inway/bootstrap,n054/bootstrap,supergibbs/bootstrap,Lyricalz/bootstrap,Scoutski/bootstrap,abvalentine/bootstrap,Hemphill/bootstrap-docs,janseliger/bootstrap,andresgalante/bootstrap,SweetProcess/bootstrap,tibo66/bootstrap,bardiharborow/bootstrap,hebbet/bootstrap,wesamco/bootstrap-rtl,yuyokk/bootstrap,tibo66/bootstrap,realcrowd/bootstrap,seanwu99/bootstrap,vsn4ik/bootstrap,Hemphill/bootstrap-docs,gijsbotje/bootstrap,slavanga/bootstrap,TheFridayInstitute/bootstrap,JumpLinkNetwork/bootstrap-backward,lemuelbarango/bootstrap,sealocal/bootstrap,NCARB/bootstrap,IdanCo/bootstrap,n054/bootstrap,johnajacob/bootstrap,IdanCo/bootstrap,gijsbotje/bootstrap,fschumann1211/bootstrap,vsn4ik/bootstrap,johnajacob/bootstrap,fschumann1211/bootstrap,gijsbotje/bootstrap,jipexu/bootstrap,stanwmusic/bootstrap,tomlutzenberger/bootstrap,9-chirno/chirno