Perform consistent diff-informed alert filtering in the action #3762

Job	Run time
Diagnostic export (ubuntu-latest, linked)	1m 4s
Diagnostic export (windows-latest, linked)	2m 50s
Diagnostic export (macos-latest, linked)	1m 52s
Diagnostic export (ubuntu-latest, nightly-latest)	59s
Diagnostic export (windows-latest, nightly-latest)	4m 39s
Diagnostic export (macos-latest, nightly-latest)	1m 50s
	13m 14s

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