Use the runner temp folder

GitHub runners don't necessary use /tmp as their temporary folder

Author: Zerpet

.github/workflows/build-test-publish.yml

@@ -195,7 +195,7 @@ jobs:
       uses: actions/download-artifact@v4
       with:
         name: operator_image
-        path: /tmp
+        path: ${{ runner.temp }}/operator-image
 
     - name: Install Carvel
       uses: carvel-dev/[email protected]
@@ -213,7 +213,7 @@ jobs:
 
     - name: Install operator from build
       run: |
-        kind load image-archive /tmp/operator.tar --name system-testing
+        kind load image-archive ${{ runner.temp }}/operator-image/operator.tar --name system-testing
         ytt -f tmp/messaging-topology-operator-with-certmanager.yaml -f config/ytt_overlays/never_pull.yml | kubectl apply -f-
         kubectl --namespace=rabbitmq-system wait --for=condition=Available deployment/messaging-topology-operator