Merge pull request cri-o#5487 from swghosh/metrics-refactor

metrics: introduce new metrics matching Prometheus best practices

Merge pull request cri-o#5485 from discordianfish/1-18-backport-4690-oom

[1.18] Add container out of memory metrics

Merge pull request cri-o#5442 from haircommander/bump-1.21.4

[1.21] bump to 1.21.4

Merge pull request cri-o#5441 from haircommander/bump-1.22.1

[1.22] bump to 1.22.1

Merge pull request cri-o#5443 from haircommander/bump-1.20.6

[1.20] bump to 1.20.6

Merge pull request cri-o#5289 from haircommander/bump-1.21.3

version: bump to v1.21.3

Merge pull request cri-o#5290 from haircommander/bump-1.20.5

version: bump to v1.20.5

Merge pull request cri-o#5291 from haircommander/bump-1.19.4

version: bump to v1.19.4

Merge pull request cri-o#5245 from haircommander/exec-revert

oci: use conmon for exec again

Merge pull request cri-o#5093 from haircommander/exec-inotify-1.21

[1.21] oci: wait until pidfile to be written before starting timer