Update deploy_docs.yml

Author: mpredl

.github/workflows/deploy_docs.yml

@@ -14,8 +14,9 @@ jobs:
       pages: write
       id-token: write
     steps:
+    - id: install_pandoc
+      run: sudo apt-get install pandoc
     - id: deployment
       uses: sphinx-notes/pages@v3
       with:
         documentation_path: ./docs/source
-        pre-build-command: apt install --yes git build-essential pandoc