ci: run build job even if init-comment is skipped

The init-comment job only runs on pull requests. By default, skipped
dependencies cause dependent jobs to be skipped as well.
Add a condition to the build job to run if init-comment succeeded (PR)
or was skipped (push events).

Author: arichardson

.github/workflows/build.yml

@@ -28,6 +28,7 @@ jobs:
 
   build:
     needs: init-comment
+    if: always() && (needs.init-comment.result == 'success' || needs.init-comment.result == 'skipped')
     name: Build ${{ matrix.arch }} ${{ matrix.compiler }} ${{ matrix.config }}
     runs-on: ubuntu-latest
     strategy: