Add git version check for overlay analysis enablement #11115

Job	Run time
analyze-other (python)	1m 1s
analyze-other (actions)	48s
check-codeql-versions	29s
analyze-javascript (ubuntu-24.04)	4m 58s
analyze-javascript (windows-2022)	5m 18s
analyze-javascript (ubuntu-22.04, linked)	4m 12s
analyze-javascript (windows-2022, linked)	6m 28s
analyze-javascript (windows-2025, linked)	5m 25s
analyze-javascript (ubuntu-24.04, linked)	4m 27s
analyze-javascript (ubuntu-22.04)	4m 17s
analyze-javascript (windows-2025)	5m 56s
analyze-javascript (macos-14)	11m 0s
analyze-javascript (macos-15, linked)	10m 21s
analyze-javascript (macos-15)	9m 28s
analyze-javascript (macos-14, linked)	8m 51s
	1h 22m 59s

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