Add a repository property for disabling overlay #11493

Job	Run time
check-codeql-versions	50s
analyze-other (python)	58s
analyze-other (actions)	54s
analyze-javascript (ubuntu-24.04, linked)	4m 23s
analyze-javascript (macos-15)	9m 18s
analyze-javascript (macos-14, linked)	6m 4s
analyze-javascript (ubuntu-22.04, linked)	4m 55s
analyze-javascript (windows-2022)	6m 11s
analyze-javascript (ubuntu-24.04)	4m 32s
analyze-javascript (windows-2025, linked)	6m 12s
analyze-javascript (ubuntu-22.04)	4m 39s
analyze-javascript (windows-2025)	6m 28s
analyze-javascript (macos-15, linked)	7m 39s
analyze-javascript (macos-14)	6m 47s
analyze-javascript (windows-2022, linked)	6m 22s
	1h 16m 12s

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