Update scorecards.yml to use upload-artifact@v4.6.2 #748

Job	Run time
spm-build-test (macos-latest, macosx)	1m 43s
spm-build-test (macos-latest, iphonesimulator)	4m 25s
pod-lib-lint (macos-13, GoogleSignIn.podspec, --use-static-frameworks)	12m 52s
pod-lib-lint (macos-13, GoogleSignIn.podspec)	15m 52s
pod-lib-lint (macos-13, GoogleSignInSwiftSupport.podspec)	12m 11s
pod-lib-lint (macos-13, GoogleSignInSwiftSupport.podspec, --use-static-frameworks)	17m 51s
	1h 4m 54s

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