testing/procs: upgrade to 0.8.12

Also disable x86 as it fails to build in CI.
7 jobs for !802 with procs in 8 minutes and 37 seconds (queued for 3 seconds)
detached
Status Job ID Name Coverage
  Lint
passed #8478
docker-alpine x86_64
lint

00:00:31

 
  Build
passed #8483
docker-alpine ci-build aarch64
build-aarch64

00:00:19

passed #8484
docker-alpine ci-build armv7
build-armv7

00:00:30

passed #8482
docker-alpine ci-build ppc64le
build-ppc64le

00:08:05

passed #8481
docker-alpine ci-build s390x
build-s390x

00:00:26

passed #8480
docker-alpine ci-build x86
build-x86

00:00:22

passed #8479
docker-alpine ci-build x86_64
build-x86_64

00:06:47