FIX: revert push notebook job to same as python

Author: mmcky

.github/workflows/publish.yml

@@ -89,14 +89,13 @@ jobs:
           cp lectures/Manifest.toml _build/lecture-julia.notebooks
           ls -a _build/lecture-julia.notebooks
       - name: Commit latest notebooks to lecture-julia.notebooks
-        uses: cpina/github-action-push-to-another-repository@main
+        uses: cpina/github-action-push-to-another-repository@v1.3
         env:
           API_TOKEN_GITHUB: ${{ secrets.QUANTECON_SERVICES_PAT }}
         with:
           source-directory: '_build/lecture-julia.notebooks/'
           destination-repository-username: 'QuantEcon'
           destination-repository-name: 'lecture-julia.notebooks'
-          target-branch: main
           commit-message: 'auto publishing updates to notebooks'
           destination-github-username: 'quantecon-services'
           user-email: [email protected]