Explicitly install OC as one of the build steps

Author: marko-bekhta

.github/workflows/deploy.yml

@@ -41,6 +41,13 @@ jobs:
         with:
           version: 'v3.13.3'
 
+      - name: Install CLI tools from OpenShift Mirror
+        uses: redhat-actions/openshift-tools-installer@v1
+        with:
+          # "mirror" is the default source, so this is optional.
+          source: "mirror"
+          oc: "latest"
+
       - name: Log in to OpenShift
         uses: redhat-actions/oc-login@v1
         with: