Dependency changes

• Drop support for Python 3.11-3.12, add Python 3.14.

What's Changed

• chore: Update to mopidy-ext-template v2.2.0 by @jodal in https://github.com/mopidy/mopidy-spotify/pull/422

Full Changelog: https://github.com/mopidy/mopidy-spotify/compare/v5.0.0a4...v5.0.0a5