Feat pdf workflow

.github/workflows/readme-to-pdf.yml

@@ -2,6 +2,8 @@ name: README-to-pdf
 
 on:
   push:
+    branches:
+      - "**"
     paths:
       - README.md
       - .github/workflows/readme-to-pdf.yml
@@ -147,11 +149,13 @@ jobs:
   commit:
     runs-on: ubuntu-latest
     needs: build
+    if: startsWith(github.ref, 'refs/heads/')
 
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          ref: ${{ github.ref }}
 
       - name: Download PDF
         uses: actions/download-artifact@v4
@@ -162,6 +166,7 @@ jobs:
         run: |
           set -euo pipefail
           repo_name="${GITHUB_REPOSITORY##*/}"
+          branch_name="${GITHUB_REF_NAME}"
 
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
@@ -173,4 +178,6 @@ jobs:
           git add "${repo_name}.pdf"
           git diff --cached --quiet && exit 0
           git commit -m "Update ${repo_name}.pdf"
-          git push
+          git fetch origin "$branch_name"
+          git rebase "origin/$branch_name"
+          git push origin "HEAD:$branch_name"