Install only our own requirements

We don't actually need cpython's documentation dependencies, since we
only run one of our own scripts.

Signed-off-by: Rodrigo Tobar <[email protected]>

Author: rtobar

.github/workflows/pr-comment.yml

@@ -30,11 +30,11 @@ jobs:
           path: base-branch
           sparse-checkout-cone-mode: false
           sparse-checkout: |
-            requirements.txt
+            requirements-own.txt
             scripts/list_missing_entries.py
       - name: Instalar dependencias
         run: |
-          python -m pip install -r base-branch/requirements.txt
+          python -m pip install -r base-branch/requirements-own.txt
       - name: Obtiene lista de archivos con cambios
         id: changed-files
         uses: tj-actions/changed-files@v45