[3.13] community/go: upgrade to 1.15.10
https://golang.org/doc/devel/release.html#go1.15.minor
This merge request also backports a0f19921 from master
Supersedes !19183 (closed)
https://golang.org/doc/devel/release.html#go1.15.minor
This merge request also backports a0f19921 from master
Supersedes !19183 (closed)