Python: Disable standard library extraction on GHES #11972

Job	Run time
analyze-other (actions)	54s
check-codeql-versions	18s
analyze-other (python)	1m 1s
analyze-javascript (macos-14, linked)	8m 5s
analyze-javascript (windows-2025)	7m 20s
analyze-javascript (windows-2022)	5m 59s
analyze-javascript (windows-2022, linked)	6m 14s
analyze-javascript (macos-15)	10m 48s
analyze-javascript (ubuntu-24.04)	4m 32s
analyze-javascript (ubuntu-22.04, linked)	4m 41s
analyze-javascript (macos-14)	5m 32s
analyze-javascript (ubuntu-22.04)	5m 3s
analyze-javascript (windows-2025, linked)	6m 50s
analyze-javascript (macos-15, linked)	12m 59s
analyze-javascript (ubuntu-24.04, linked)	4m 27s
	1h 24m 43s

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