Fix wait_for Module to handle socket response as string in Python3

In Python3 socket module returns responses as bytes type. So it's
necessary to convert it to string for the module work correctly.

lib/ansible/modules/utilities/logic/wait_for.py

@@ -27,6 +27,8 @@ import socket
 import sys
 import time
 
+from ansible.module_utils._text import to_native
+
 HAS_PSUTIL = False
 try:
     import psutil
@@ -509,7 +511,7 @@ def main():
                             if not response:
                                 # Server shutdown
                                 break
-                            data += response
+                            data += to_native(response, errors='surrogate_or_strict')
                             if re.search(compiled_search_re, data):
                                 matched = True
                                 break