add cloud foundry build to release

Author: gregorwolf

.github/workflows/release-mta.yml

@@ -11,16 +11,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Download artifact
+      - name: Download XSA artifact
         uses: dawidd6/action-download-artifact@v2
         with:
           workflow: build-mta-hana.yml
           workflow_conclusion: success
           name: mta
+      - name: Download CF artifact
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: build-mta-cf.yml
+          workflow_conclusion: success
+          name: mta
       - name: Display structure of downloaded files
         run: ls -R
       - name: Release
         uses: softprops/action-gh-release@v1
         if: startsWith(github.ref, 'refs/tags/')
         with:
-          files: bookshop-demo-xsa.mtar
+          files: |
+            bookshop-demo-xsa.mtar
+            bookshop-demo-cf.mtar