Fix publish-devspaces workflow (#562)

Follow-Up: #558

Author: ssbarnea

.github/workflows/tox.yml

@@ -117,14 +117,17 @@ jobs:
           docker push "ghcr.io/ansible/ansible-devspaces:latest"
 
       - name: Fork and Clone the target repository
+        if: github.event_name == 'release' && github.event.action == 'published'
         env:
           GITHUB_TOKEN: ${{ secrets.ANSIBUDDY_BOT_PAT }}
         run: |
           gh repo fork [email protected]:redhat-developer-demos/ansible-devspaces-demo.git --clone
           cd ansible-devspaces-demo
 
       - name: Create a new branch, update the file and push the branch
+        if: github.event_name == 'release' && github.event.action == 'published'
         run: |
+          cd ansible-devspaces-demo
           git checkout -b update-devspaces-image-${{ github.event.release.tag_name }}
           export SHA=$(docker manifest inspect -v ghcr.io/ansible/ansible-devspaces:latest | jq -r '[.Descriptor.digest][0]')
           sed -i "s|image:.*|image: ghcr.io/ansible/ansible-devspaces@${{ env.SHA }}|" devfile.yaml
@@ -133,9 +136,11 @@ jobs:
           git push origin update-devspaces-image-${{ github.event.release.tag_name }}
 
       - name: Create a pull request
+        if: github.event_name == 'release' && github.event.action == 'published'
         env:
           GITHUB_TOKEN: ${{ secrets.ANSIBUDDY_BOT_PAT }}
         run: |
+          cd ansible-devspaces-demo
           gh pr create \
             --title "Update ansible-devspaces container image" \
             --body "This PR updates the ansible-devspaces container image SHA to the latest." \