Merge branch 'janis-add-restore-pages-deployment-mutation' into 'master'

Add Restore Pages Deployment Mutation

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/155283



Merged-by: Hunter Stewart <hustewart@gitlab.com>
Approved-by: Max Orefice <morefice@gitlab.com>
Approved-by: Hunter Stewart <hustewart@gitlab.com>
Reviewed-by: Max Orefice <morefice@gitlab.com>
Co-authored-by: janis <jaltherr@gitlab.com>