fix: Added requirements for the README update workflow

Author: jakub-kocka

.github/workflows/update-python-versions.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install requests python-dateutil colorama
+          python -m pip install requests python-dateutil colorama packaging
 
       - name: Generate supported versions
         id: generate