Fix skipping non-default branches for push

Author: m-aciek

.github/workflows/update-and-build.yml

@@ -66,7 +66,8 @@ jobs:
         if: env.SIGNIFICANT_CHANGES
       - name: Push commit
         uses: ad-m/github-push-action@881a6320fdb16eb5318c5054f31c218aec2b324c  # v1.3.0
-        if: env.SIGNIFICANT_CHANGES && (github.event.workflow_run.head_branch == github.event.repository.default_branch)
+        if: env.SIGNIFICANT_CHANGES && (github.event_name == 'schedule' || github.ref_name
+          == github.event.repository.default_branch)
         with:
           branch: ${{ matrix.version }}
           github_token: ${{ secrets.GITHUB_TOKEN }}