chore: bump version to 0.1.0-beta.37

Changes since beta.36:
- feat: startup warnings for missing permissions and battery optimization
- feat: Samsung navigation bar SafeArea fix
- fix: geofence service health check and auto-restart on boot
- fix: dead null-aware expressions in pomodoro timer service

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: sprobst76

pubspec.yaml

@@ -1,6 +1,6 @@
 name: time_tracker
 description: Zeiterfassung mit Geofence, Urlaub, Feiertagen & ICS-Sync
-version: 0.1.0-beta.36+36
+version: 0.1.0-beta.37+37
 publish_to: 'none'
 
 environment: