doc/next: added release notes for goroutine leak profiles#76115

VladSaiocUber wants to merge 4 commits intogolang:mastergolang/go:masterfrom

VladSaiocUber:dev.goroutineleakprofile-releasenotesVladSaiocUber/go:dev.goroutineleakprofile-releasenotesCopy head branch name to clipboard