Include found python and version in SSL_CONTEXT warning. (#24252)

Based on issue 23642, add some info about the used python
executable and version to the error message when ssl connection
fail in a way that may be related to the version.

lib/ansible/module_utils/urls.py

@@ -571,6 +571,8 @@ def build_ssl_validation_error(hostname, port, paths, exc=None):
     if not HAS_SSLCONTEXT:
         msg.append('If the website serving the url uses SNI you need'
                    ' python >= 2.7.9 on your managed machine')
+        msg.append(' (the python executable used (%s) is version: %s)' %
+                   (sys.executable, ''.join(sys.version.splitlines())))
         if not HAS_URLLIB3_PYOPENSSLCONTEXT or not HAS_URLLIB3_SSL_WRAP_SOCKET:
             msg.append('or you can install the `urllib3`, `pyOpenSSL`,'
                        ' `ndg-httpsclient`, and `pyasn1` python modules')