Release 2025.06.6

Automatic release based on updates in gpodder/mygpo.

Changes since commit a7d4c3c7c45a23a7557acbc1238a3828c3c58643:

• 527f283a Merge pull request #831 from gpodder/remove-google-auth (Eric Le Lay)
  remove google related code: login+adsense
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• bc9cb67c remove rest of google related code (Eric Le Lay)

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• 0824ad81 remove login with google (Eric Le Lay)

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Docker Image:
ghcr.io/thekoma/gpodder-docker:2025.06.6