feat(auth): Add support for Email OTP MFA (#5449) #2759

Job	Run time
test / test-dart-vm (3.3.0)	2m 11s
test / test-dart-vm (stable)	2m 7s
dart2js_test / test-dart-2js (3.3.0, chrome)	4m 59s
ddc_test / test-dart-ddc (3.3.0, chrome)	3m 41s
native_test / test-dart-native (macos-14)	4m 8s
dart2js_test / test-dart-2js (3.3.0, firefox)	4m 53s
ddc_test / test-dart-ddc (3.3.0, firefox)	3m 58s
native_test / test-dart-native (windows-latest)	6m 15s
dart2js_test / test-dart-2js (stable, chrome)	4m 30s
ddc_test / test-dart-ddc (stable, chrome)	3m 48s
dart2js_test / test-dart-2js (stable, firefox)	4m 44s
ddc_test / test-dart-ddc (stable, firefox)	3m 44s
	48m 58s

Provide feedback