Introduce a repeatable process to create a PR in ansible-devspaces-demo repo (#558)

* Introduce a repeatable process to create a PR in redhat-developer-demos repo

* Minor changes in PR steps

* Create a PR using gh tool

* Fork and then clone using gh tool

* Remove unnecessary steps

* Modify the sed command with fetching the latest image digest

* Remove lock file

Author: shatakshiiii

.github/workflows/tox.yml

@@ -116,6 +116,33 @@ jobs:
           docker push "ghcr.io/ansible/ansible-devspaces:${{ github.event.release.tag_name }}"
           docker push "ghcr.io/ansible/ansible-devspaces:latest"
 
+      - name: Fork and Clone the target repository
+        env:
+          GITHUB_TOKEN: ${{ secrets.ANSIBUDDY_BOT_PAT }}
+        run: |
+          gh repo fork [email protected]:redhat-developer-demos/ansible-devspaces-demo.git --clone
+          cd ansible-devspaces-demo
+
+      - name: Create a new branch, update the file and push the branch
+        run: |
+          git checkout -b update-devspaces-image-${{ 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
+          git add devfile.yaml
+          git commit -m "Update devspaces container image SHA"
+          git push origin update-devspaces-image-${{ github.event.release.tag_name }}
+
+      - name: Create a pull request
+        env:
+          GITHUB_TOKEN: ${{ secrets.ANSIBUDDY_BOT_PAT }}
+        run: |
+          gh pr create \
+            --title "Update ansible-devspaces container image" \
+            --body "This PR updates the ansible-devspaces container image SHA to the latest." \
+            --head "update-devspaces-image-'${{ github.event.release.tag_name }}'" \
+            --base "main" \
+            --repo "github.com/redhat-developer-demos/ansible-devspaces-demo"
+
   publish-wheel:
     needs:
       - codeql