Merge branch '325871-gql-fields-for-refs-tipping-at-commit' into 'master'

GraphQL project fields for refs tipping at commit

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/116697



Merged-by: Brian Williams <bwilliams@gitlab.com>
Approved-by: Marcos Rocha <mrocha@gitlab.com>
Approved-by: Sascha Eggenberger <seggenberger@gitlab.com>
Approved-by: Brian Williams <bwilliams@gitlab.com>
Reviewed-by: Brian Williams <bwilliams@gitlab.com>
Reviewed-by: Patrick Cyiza <jpcyiza@gitlab.com>
Co-authored-by: Patrick Cyiza <jpcyiza@gitlab.com>