Fixed operator upgrade test workflow (#630)

Author: igor-karpukhin

.github/workflows/openshift-upgrade-test.yaml

@@ -49,7 +49,7 @@ jobs:
           chmod +x kustomize && mkdir -p ./bin/ && mv kustomize ./bin/kustomize
 
           wget https://github.com/operator-framework/operator-sdk/releases/download/v1.22.2/operator-sdk_linux_amd64 -O operator-sdk -q
-          chmod +x operator-sdk && sudo mv oc /usr/local/bin/operator-sdk
+          chmod +x operator-sdk && sudo mv operator-sdk /usr/local/bin/operator-sdk
 
           opm version
           oc version