Perform consistent diff-informed alert filtering in the action #3758

Job	Run time
Diagnostic export (ubuntu-latest, linked)	57s
Diagnostic export (macos-latest, linked)	1m 15s
Diagnostic export (windows-latest, nightly-latest)	4m 35s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 4s
Diagnostic export (macos-latest, nightly-latest)	1m 17s
Diagnostic export (windows-latest, linked)	4m 7s
	13m 15s

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