Add a repository property for disabling overlay #11498

Job	Run time
analyze-other (python)	58s
analyze-other (actions)	52s
check-codeql-versions	53s
analyze-javascript (ubuntu-24.04, linked)	5m 4s
analyze-javascript (ubuntu-22.04)	4m 30s
analyze-javascript (ubuntu-24.04)	4m 46s
analyze-javascript (windows-2022)	6m 34s
analyze-javascript (ubuntu-22.04, linked)	4m 32s
analyze-javascript (windows-2025, linked)	6m 26s
analyze-javascript (macos-15)	9m 53s
analyze-javascript (windows-2022, linked)	6m 37s
analyze-javascript (windows-2025)	6m 46s
analyze-javascript (macos-14)	8m 12s
analyze-javascript (macos-14, linked)	8m 7s
analyze-javascript (macos-15, linked)	12m 55s
	1h 27m 5s

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