build: Pin Python to 3.9.8 to work with arch x64 on GitHub Actions (#7678)
build: Pin Python to 3.9.8 to work with arch x64 on GitHub Actions (#7678)

Signed-off-by: Yuan Tang <d8ac0cc877bd3769c2dd518dc06d4a6a6b610403@gmail.com>
argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd