Try fetch-depth: 0; and with git config

.github/workflows/generate_api_docs.yaml

@@ -25,6 +25,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          fetch-depth: 0
 
       - name: "Get PR Info"
         id: pr
@@ -79,6 +80,8 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
+          git config --local user.name "github-actions[bot]"
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
           git add docusaurus-docs/static/openapi.json
           git commit -m "Update REST API documentation (openapi.json)"
           git push