Add `installYq` option to `sync.py` and install `yq` directly from GitHub release #6748

Job	Run time
Go: tracing with autobuilder step (macos-latest, stable-v2.22.4)	6m 9s
Go: tracing with autobuilder step (macos-latest, stable-v2.18.4)	7m 28s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.18.4)	1m 21s
Go: tracing with autobuilder step (macos-latest, stable-v2.21.4)	5m 36s
Go: tracing with autobuilder step (ubuntu-latest, default)	1m 10s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.19.4)	1m 36s
Go: tracing with autobuilder step (macos-latest, stable-v2.20.7)	4m 50s
Go: tracing with autobuilder step (ubuntu-latest, linked)	1m 15s
Go: tracing with autobuilder step (macos-latest, stable-v2.19.4)	6m 14s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.21.4)	1m 30s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.17.6)	1m 28s
Go: tracing with autobuilder step (macos-latest, default)	6m 0s
Go: tracing with autobuilder step (macos-latest, linked)	5m 5s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.22.4)	1m 50s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.20.7)	1m 38s
Go: tracing with autobuilder step (macos-latest, stable-v2.17.6)	6m 6s
Go: tracing with autobuilder step (macos-latest, nightly-latest)	7m 28s
Go: tracing with autobuilder step (ubuntu-latest, nightly-latest)	1m 18s
	1h 8m 2s

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