[WIP] Fix heroku build error

Author: jjnesbitt

.github/workflows/backend-staging-deploy.yml

@@ -1,12 +1,13 @@
 name: Deploy backend to staging
 
 on:
-  push:
-    branches:
-      - master
-    paths-ignore:
-      - "web/**"
-      - "CHANGELOG.md"
+  pull_request:
+  # push:
+  #   branches:
+  #     - master
+  #   paths-ignore:
+  #     - "web/**"
+  #     - "CHANGELOG.md"
 
 permissions:
   contents: read
@@ -34,14 +35,18 @@ jobs:
         run: curl https://cli-assets.heroku.com/install.sh | sh
 
       - name: Install builds plugin
+        # run: heroku plugins:install @heroku-cli/heroku-builds
         run: heroku plugins:install heroku-builds
 
-      - name: Build app into tarball
-        run: |
-          uv build --sdist
+      - name: Verify builds plugin
+        run: heroku plugins
 
-      - name: Create Heroku Build
-        run: heroku builds:create -a dandi-api-staging --source-tar dist/*.tar.gz
-        env:
-          HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY  }}
-          HEROKU_EMAIL: ${{ secrets.HEROKU_EMAIL  }}
+      # - name: Build app into tarball
+      #   run: |
+      #     uv build --sdist
+
+      # - name: Create Heroku Build
+      #   run: heroku builds:create -a dandi-api-staging --source-tar dist/*.tar.gz
+      #   env:
+      #     HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY  }}
+      #     HEROKU_EMAIL: ${{ secrets.HEROKU_EMAIL  }}