Merge topic 'ci-os-arch'

c212c7dc8b gitlab-ci: drop unnecessary linux kernel version tag
33fe37a660 gitlab-ci: replace '{macos,windows}' tags with '{macos,windows}-x86_64'
94d82d91d5 gitlab-ci: replace 'linux' tags with 'linux-x86_64'
e8c6e06815 gitlab-ci: rename tag configuration entries to start in '$os_$arch_tags'
ebbc3a8171 gitlab-ci: remove unnecessary component of configuration entry names

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !7973