.github: Update tested Ansible and Python versions

Use Python 3.9 - 3.12 and Ansible 2.14 - 2.16, devel and milestone to run
tests of the collection. Use the latest stable python version in test setups
where sensible. Instead of using the integration.yml workflog from main
use it from the same commit as the test runs instead.

Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>

.github/workflows/docs.yml

@@ -34,8 +34,8 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.11
-          cache: 'pip'
+          python-version: 3.x
+          cache: pip
 
       - name: Install doc dependencies
         run: |