chore(deps): update subosito/flutter-action to v2.12.0 #669

Job	Run time
flutter-test-analyze / Format	42s
flutter-test-analyze / Analyze	1m 19s
flutter-test-analyze / Test	3m 29s
flutter-build / iOS	8s
flutter-build / Android (apk)	8m 14s
flutter-build / WEB	4s
	13m 56s

Provide feedback