Add `installYq` option to `sync.py` and install `yq` directly from GitHub release #11238

Job	Run time
analyze-other (python)	58s
check-codeql-versions	31s
analyze-other (actions)	52s
analyze-javascript (ubuntu-22.04)	4m 25s
analyze-javascript (windows-2022)	5m 36s
analyze-javascript (macos-14)	7m 16s
analyze-javascript (ubuntu-24.04)	4m 26s
analyze-javascript (windows-2025)	5m 31s
analyze-javascript (ubuntu-22.04, linked)	4m 32s
analyze-javascript (ubuntu-24.04, linked)	4m 39s
analyze-javascript (windows-2025, linked)	5m 33s
analyze-javascript (windows-2022, linked)	5m 9s
analyze-javascript (macos-15, linked)	6m 8s
analyze-javascript (macos-14, linked)	6m 20s
analyze-javascript (macos-15)	10m 9s
	1h 12m 5s

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