workflows: save debos build URL to file

After build is published, the upload URL is saved to file. This URL can
later be used for scheduling test jobs.

Signed-off-by: Milosz Wasilewski <[email protected]>

Author: mwasilew

.github/workflows/debos.yml

@@ -166,4 +166,24 @@ jobs:
         id: upload_sbom_artifacts
         with:
           path: sboms
-
+          path: ./uploads
+  create-output:
+    needs: build-debos
+    outputs:
+      url: ${{ steps.print-output.outputs.url }}
+    runs-on: [self-hosted, x86]
+    steps:
+      - name: "Print output"
+        id: print-output
+        env:
+          build_url: ${{ needs.build-debos.outputs.url }}
+        run: |
+          echo "Downloads URL: ${build_url}"
+          echo "url=\"${build_url}\"" >> $GITHUB_OUTPUT
+          echo "${build_url}" > build_url
+          echo "## Download URL" >> $GITHUB_STEP_SUMMARY
+          echo "[${build_url}](${build_url})" >> $GITHUB_STEP_SUMMARY
+      - name: Upload build URL
+        uses: actions/upload-artifact@v4
+        with:
+          name: build_url