فسبوتشي - محرر OSM

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Maintenance release of 21.1.

This mainly fixes a proguard issue with the popupmenus that caused them to not work as expected in release builds.

Release notes: https://vespucci.io/help/en/21.1.0%20Release%20notes/

Change log: https://github.com/MarcusWolschon/osmeditor4android/blob/21.1-MAINT/CHANGELOG.txt

**Full Changelog**: https://github.com/MarcusWolschon/osmeditor4android/compare/21.1.2.0...21.1.3.0