ci: retry when fetching online manifests
ci: retry when fetching online manifests

We now retry up to 3 times if the manifest fails to be fetched online.

Closes: https://github.com/rook/rook/issues/7927
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

rook/nfs,rook/rook,rook/rook,rook/rook,rook/rook,rook/rook,rook/nfs,rook/nfs