Update versions of dependencies, including unpinning the unstructured-inference dependency that's causing conflicts in repos like pipeline-oer that want the newer version.
Add GitLab data connector for ingest.
Involves more general Git functionality that is shared between the GitHub and GitLab data connectors.
Prevent code duplication for functionality between GitHub and GitLab ingest connectors.
Renamed github-access-token, github-branch and github-file-glob to git-access-token, git-branch and git-file-glob, respectively.
These work for GitHub and GitLab.
