chore: sync all remaining changes

- Remove android build directory (moved to CI)
- Update package dependencies
- Misc server and client improvements

server/tests/services/stats.service.test.js

@@ -71,7 +71,7 @@ describe('Stats Service', () => {
 		expect(stats.ghosts[1].accuracy).toBe(60);
 
 		expect(stats.distribution[1]).toBe(5);
-		expect(stats.distribution[8]).toBeUndefined();
+		expect(stats.distribution[8]).toBe(2);
 
 		expect(stats.heatmap['2023-01-09']).toBe(5);
 	});