CI: Fix directory name for published prod docs (pandas-dev#48639)

Author: datapythonista

.github/workflows/docbuild-and-upload.yml

@@ -81,7 +81,7 @@ jobs:
       if: github.event_name == 'push' && github.ref == 'refs/heads/main'
 
     - name: Upload prod docs
-      run: rsync -az --delete doc/build/html/ docs@${{ secrets.server_ip }}:/usr/share/nginx/pandas/pandas-docs/version/${GITHUB_REF_NAME}
+      run: rsync -az --delete doc/build/html/ docs@${{ secrets.server_ip }}:/usr/share/nginx/pandas/pandas-docs/version/${GITHUB_REF_NAME:1}
       if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
 
     - name: Move docs into site directory