Release 0.1.25

This is a maintenance release:

Main features are:
* Support multiple sideload files being uploaded, a user request.
* Python 3.12 support

Kai Blin (7):
      chore: Update the CI workflow to latest Python and action versions
      chore: Replace deprecated datetime.utcnow() with datetime.now(datetime.UTC)
      job: Allow a list of sideload files to be passed
      chore: Make sure the job queue is empty for fetch_invalid test
      chore: Make sure getting the current time works on all supported Python versions
      job: Make sure access to the old Job.sideload gives a DeprecationWarning
      chore: Bump version to 0.1.25