[codex] add Fedora desktop rpm packaging (#390)

* add Fedora desktop rpm packaging

* harden desktop packaging yaml assertion

.github/workflows/release.yml

@@ -121,14 +121,20 @@ jobs:
           restore-keys: |
             electron-cache-${{ runner.os }}-
 
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Download built dist
-        uses: actions/download-artifact@v8
-        with:
-          name: metapi-dist-${{ github.sha }}
-          path: dist
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Install Linux packaging dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install --no-install-recommends -y rpm
+
+      - name: Download built dist
+        uses: actions/download-artifact@v8
+        with:
+          name: metapi-dist-${{ github.sha }}
+          path: dist
 
       - name: Build desktop artifacts (Windows)
         if: runner.os == 'Windows'
@@ -240,17 +246,18 @@ jobs:
         uses: actions/upload-artifact@v7
         with:
           name: metapi-desktop-${{ github.run_id }}-${{ matrix.artifactLabel }}
-          path: |
-            release/*.exe
-            release/*.dmg
-            release/*.zip
-            release/*.AppImage
-            release/*.deb
-            release/*.blockmap
-            release/latest*.yml
-            release/latest*.json
-            release/builder-debug.yml
-          if-no-files-found: error
+          path: |
+            release/*.exe
+            release/*.dmg
+            release/*.zip
+            release/*.AppImage
+            release/*.deb
+            release/*.rpm
+            release/*.blockmap
+            release/latest*.yml
+            release/latest*.json
+            release/builder-debug.yml
+          if-no-files-found: error
 
   publish-release:
     name: Publish GitHub Release