Skip validating SARIF produced by CodeQL #4158

Job	Run time
Diagnostic export (macos-latest, nightly-latest)	1m 5s
Diagnostic export (macos-latest, linked)	1m 3s
Diagnostic export (windows-latest, linked)	5m 19s
Diagnostic export (ubuntu-latest, linked)	1m 2s
Diagnostic export (windows-latest, nightly-latest)	3m 8s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 7s
	12m 44s

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