fixup! [FLINK-36460] Pull out a shared workflow definition shared by multiple test matrices

Author: SamBarker

.github/workflows/e2e.yaml

@@ -64,7 +64,7 @@ jobs:
         run: |
           source e2e-tests/utils.sh
           create_namespace ${{ inputs.namespace }}
-          echo EXTRA_HELM_INSTALL_ARGS="--set "watchNamespaces={default,flink}"" >> $GITHUB_OUTPUT
+          echo 'EXTRA_HELM_INSTALL_ARGS=--set "watchNamespaces={default,flink}"' >> $GITHUB_OUTPUT
       - name: Start the operator
         run: |
           helm --debug install flink-kubernetes-operator -n ${{ inputs.namespace }} helm/flink-kubernetes-operator --set image.repository=flink-kubernetes-operator --set image.tag=ci-latest ${{ steps.namespace-creator.outputs.EXTRA_HELM_INSTALL_ARGS }}