chore(deps): update codecov/codecov-action to v4.3.1 #21

Job	Run time
page / deploy	9s
flutter-test-analyze / Format	39s
flutter-test-analyze / Analyze	1m 13s
flutter-test-analyze / Test	1m 5s
flutter-build / Android (aab)	5m 28s
flutter-build / WEB	4s
flutter-build / iOS	4s
fastlane-dry-run / Play Store	1m 41s
	10m 23s

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