Merge branch 'deprecation-alpine-eol-images-runner' into 'master'

Deprecation: Remove Alpine v3.12, v3.13, v3.14 from base image list

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/117168



Merged-by: Fiona Neill <fneill@gitlab.com>
Reviewed-by: Fiona Neill <fneill@gitlab.com>
Co-authored-by: Darren Eastman <deastman@gitlab.com>