Add `installYq` option to `sync.py` and install `yq` directly from GitHub release #11239

Job	Run time
analyze-other (python)	1m 0s
analyze-other (actions)	55s
check-codeql-versions	31s
analyze-javascript (windows-2025)	6m 18s
analyze-javascript (ubuntu-24.04, linked)	4m 32s
analyze-javascript (macos-15, linked)	9m 51s
analyze-javascript (windows-2025, linked)	5m 24s
analyze-javascript (macos-14, linked)	8m 20s
analyze-javascript (ubuntu-22.04, linked)	4m 20s
analyze-javascript (ubuntu-24.04)	4m 29s
analyze-javascript (windows-2022)	5m 16s
analyze-javascript (ubuntu-22.04)	4m 22s
analyze-javascript (macos-14)	6m 13s
analyze-javascript (windows-2022, linked)	5m 24s
analyze-javascript (macos-15)	10m 20s
	1h 17m 15s

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