Upgrade Syncthing to v1.28.0
- Update the bundled syncthing to v1.28.0
- Info.plist: Use string type instead of implicit bool for LSUIElement
- Some github actions continuous integration housekeeping.
macos-12
builder deprecated, now usingmacos-latest
. See actions/runner-images#10721.
For full list of changes see: [syncthing-macos/compare/v1.27.12-1...v1.28.0-1](https://github.com/syncthing/syncthing-macos/compare/v1.27.12-1...v1.28.0-1)