Add needs dependency on backwards_compatibility_data (#322)

* Add needs dependency on backwards_compatibility_data

* Remove comments

Author: dudoslav

.github/workflows/build-wheels.yml

@@ -86,8 +86,6 @@ jobs:
 
   build_wheels:
     name: Wheel ${{ matrix.buildplat[0] }}-${{ matrix.buildplat[1] }}-${{ matrix.python }}
-    # TODO(paris): Add this back once generate_backwards_compatibility_data is confirmed to work.
-    # needs: generate_backwards_compatibility_data
     runs-on: ${{ matrix.buildplat[0] }}
     strategy:
       matrix:
@@ -144,7 +142,7 @@ jobs:
           path: dist/*.tar.gz
 
   upload_pypi:
-    needs: [build_wheels, build_sdist]
+    needs: [build_wheels, build_sdist, generate_backwards_compatibility_data]
     runs-on: ubuntu-latest
     environment: pypi
     permissions: