Temporarily upload app bundle as CI artifact

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

.github/workflows/ci.yml

@@ -85,9 +85,8 @@ jobs:
       - name: Create app bundle
         run: script/bundle
 
-      - name: Upload app bundle to workflow run if main branch
+      - name: Upload app bundle to workflow run
         uses: actions/upload-artifact@v2
-        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           name: Zed.dmg
           path: target/release/Zed.dmg