Update c-cpp.yml

It hardly makes sense to use 32bit binary for flatpak.

.github/workflows/c-cpp.yml

@@ -266,7 +266,7 @@ jobs:
   build-flatpak-bundle:
     name: "Build flatpak bundle"
     runs-on: ubuntu-latest
-    needs: [build-i686-linux, build-x86_64-linux]
+    needs: [build-x86_64-linux]
     container:
       image: bilelmoussaoui/flatpak-github-actions:freedesktop-23.08
       options: --privileged
@@ -274,7 +274,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/download-artifact@v4
       with:
-        name: pd-i686-linux
+        name: pd-x86_64-linux
         path: dist/linux/bin/
 
     - uses: flatpak/flatpak-github-actions/flatpak-builder@v6