* commit '519f3f99a4b6aae5563e1e8079e6afd980674889':
  Use postgres 15 images (#211)
  Bump semver from 5.7.1 to 5.7.2 in /auth (#168)
  Bump actions/checkout from 2 to 4 (#178)
  Bump leonsteinhaeuser/project-beta-automations from 2.1.0 to 2.2.1 (#177)
  Add dependabot.yml (#176)
  Fix entityID in example_metadata_sp.xml (#175)
  Improve session handling (#173)
  Add link to SSO doc (#174)