bumped version to 3.15.2
bumped version to 3.15.2

mgmco/prerender,jahmad-fareportal/prerender,ArnaudValensi/prerender-schedule-from-sitemap,netlify/prerender,viovendi/prerender,GrabCAD/prerender,fiverr/prerender,SIXNetworks/prerender,danishin/prerender-server,inventaire/prerender,icilalune/prerender,ntucker/prerender,netconstruct/prerender,goibibo/prerender,Kaliber/prerender,goabout/prerender,prerender/prerender,JuoCode/prerender,daniel-shin1104/prerender-server,wcandillon/prerender,fiverr/prerender,bookbottles/prerender,challengerdeep/prerender,JoaquinSiabra/prerender,danishin/prerender-server,aortbals/prerender,l0ne/prerender,PaigeeWorld/prerender,LendioDevs/prerender,goabout/prerender,inventaire/prerender,daniel-shin1104/prerender-server,oqv/prerender,dwdm/prerender,tjfamodu/prerender,GerardoNevarez/prerender,gamejolt/prerender