fix(ci): adjust py CMD as JSON args · bcgov/quickstart-openshift-backends@24654a8

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Multiple files were found for oc that matched the current OS and architecture: openshift-client-linux-4.14.38.tar.gz, openshift-client-linux-arm64-4.14.38.tar.gz, openshift-client-linux-ppc64le-4.14.38.tar.gz. Selecting the first one.