Replaced pull_request_target with pull_request to fix the workflow security issue #458

Job	Run time
Authorize	1s
Authorize	1s
Analyze auth0_flutter Flutter package	1m 0s
Analyze auth0_flutter Flutter package	1m 0s
Analyze auth0_flutter_platform_interface Flutter package	3m 26s
Analyze auth0_flutter_platform_interface Flutter package	3m 26s
Test auth0_flutter Flutter package	1m 43s
Test auth0_flutter Flutter package	1m 43s
Run native Android unit tests	3m 23s
Run native Android unit tests	3m 35s
Test auth0_flutter_platform_interface Flutter package	1m 0s
Test auth0_flutter_platform_interface Flutter package	1m 0s
Run native iOS smoke tests using Xcode 15.0.1	13m 58s
Run native iOS smoke tests using Xcode 15.0.1	12m 17s
Run native iOS unit tests using Xcode 15.0.1	14m 49s
Run native iOS unit tests using Xcode 15.0.1	14m 49s
Run native macOS smoke tests using Xcode 15.0.1	10m 37s
Run native macOS smoke tests using Xcode 15.0.1	9m 48s
Run native macOS unit tests using Xcode 15.0.1	10m 34s
Run native macOS unit tests using Xcode 15.0.1	10m 34s
Upload coverage reports	0s
Upload coverage reports	0s
	1h 58m 44s

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