Add a repository property for disabling overlay #11485

Job	Run time
analyze-other (python)	58s
analyze-other (actions)	52s
check-codeql-versions	52s
analyze-javascript (ubuntu-24.04)	4m 31s
analyze-javascript (windows-2025)	6m 3s
analyze-javascript (ubuntu-22.04)	4m 30s
analyze-javascript (windows-2022, linked)	6m 29s
analyze-javascript (windows-2025, linked)	6m 30s
analyze-javascript (ubuntu-24.04, linked)	4m 20s
analyze-javascript (ubuntu-22.04, linked)	4m 39s
analyze-javascript (macos-15, linked)	8m 2s
analyze-javascript (macos-15)	14m 43s
analyze-javascript (windows-2022)	6m 1s
analyze-javascript (macos-14)	7m 21s
analyze-javascript (macos-14, linked)	15m 51s
	1h 31m 42s

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