Support ignoring generated files #11179

Job	Run time
analyze-other (actions)	53s
analyze-other (python)	1m 1s
check-codeql-versions	35s
analyze-javascript (windows-2022)	5m 12s
analyze-javascript (ubuntu-24.04, linked)	4m 24s
analyze-javascript (ubuntu-22.04)	4m 17s
analyze-javascript (macos-15, linked)	6m 31s
analyze-javascript (ubuntu-22.04, linked)	4m 28s
analyze-javascript (ubuntu-24.04)	4m 27s
analyze-javascript (windows-2025)	6m 8s
analyze-javascript (macos-14, linked)	5m 22s
analyze-javascript (macos-14)	9m 40s
analyze-javascript (windows-2022, linked)	5m 28s
analyze-javascript (macos-15)	11m 6s
analyze-javascript (windows-2025, linked)	7m 0s
	1h 16m 32s

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