community/go: upgrade to 1.15.8

Announcement: https://groups.google.com/g/golang-announce/c/rUbPPotvaFM/m/H4ZrXHUmBAAJ
7 jobs for !17865 with go-1-15-8 in 8 minutes and 47 seconds (queued for 1 second)
latest detached
Status Job ID Name Coverage
  Lint
passed #313348
docker-alpine x86_64
lint

00:00:19

 
  Build
passed #313353
docker-alpine ci-build aarch64
build-aarch64

00:05:38

failed #313354
docker-alpine ci-build armv7
build-armv7

00:08:27

failed #313352
docker-alpine ci-build ppc64le
build-ppc64le

00:05:33

failed #313351
docker-alpine ci-build s390x
build-s390x

00:06:29

passed #313350
docker-alpine ci-build x86
build-x86

00:04:10

failed #313349
docker-alpine ci-build x86_64
build-x86_64

00:01:52

 
Name Stage Failure
failed
build-s390x Build
No job log
failed
build-x86_64 Build
No job log
failed
build-ppc64le Build
No job log
failed
build-armv7 Build
No job log