Add auto unban functionality and update related tests and dependencies

Makefile

@@ -54,6 +54,14 @@ test-keyboards:
 test-monitor:
 	python3 tests/test_monitor.py
 
+# Test auto unban scheduler
+test-auto-unban:
+	python3 -m pytest tests/test_auto_unban_scheduler.py -v
+
+# Test auto unban integration
+test-auto-unban-integration:
+	python3 -m pytest tests/test_auto_unban_integration.py -v
+
 # Run tests with coverage
 test-coverage:
 	python3 -m pytest tests/ --cov=helper_bot --cov=database --cov-report=term