fix(ci): remove unsupported upload-artifact@v4, replace with ls

.forgejo/workflows/build.yml

@@ -77,8 +77,8 @@ jobs:
               "http://10.0.0.4:3000/api/v1/repos/geronzi/full_updater/releases/${RELEASE_ID}/assets?name=$(basename ${FILE})"
           fi
 
-      - name: Store artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: full-updater-deb
-          path: /workspace/repo/dist/*.deb
+      - name: List dist artifacts
+        working-directory: /workspace/repo
+        run: |
+          echo "=== Built artifacts ==="
+          ls -la dist/