Update LABELs in Dockerfiles

3 jobs for master in 74 minutes and 4 seconds (queued for 7 seconds)
Status Name Job ID Coverage
  Build
passed build:latest-linux-amd64 #15782
arch:amd64 os:linux triggered

01:13:41

passed build:latest-linux-arm64v8 #15783
arch:arm64/v8 os:linux triggered

00:18:48

 
  Deploy
passed build-manifest:latest-linux-multiarch #15784
triggered

00:00:22