Use HTTPS instead of legacy HTTP for ansible.com (#16870)

Mechanical edit done by this "one-liner":

```Shell
git ls-files -z "$(git rev-parse --show-toplevel)" | xargs --null -I '{}' find '{}' -type f -print0 | xargs --null sed --in-place --regexp-extended 's#http://(www\.|galaxy\.|)ansible\.com#https://\1ansible.com#g;'
```

Related to: https://github.com/ansible/ansible/issues/16869

setup.py

@@ -24,7 +24,7 @@ setup(
     description='Radically simple IT automation',
     author=__author__,
     author_email='info@ansible.com',
-    url='http://ansible.com/',
+    url='https://ansible.com/',
     license='GPLv3',
     # Ansible will also make use of a system copy of python-six and
     # python-selectors2 if installed but use a Bundled copy if it's not.