Merge branch...

Merge branch '381499-gitlab-database-gitlabschema-table_schema-to-return-nil-if-the-table-schema-not-found' into 'master'

Support raising an Error if table schema for a table is not known

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/103779



Merged-by: Doug Stull <dstull@gitlab.com>
Approved-by: Doug Stull <dstull@gitlab.com>
Reviewed-by: Doug Stull <dstull@gitlab.com>
Reviewed-by: Alper Akgun <aakgun@gitlab.com>
Reviewed-by: Rutger Wessels <rwessels@gitlab.com>
Co-authored-by: Rutger Wessels <rwessels@gitlab.com>