update ansible-galaxy testserver to use SSLContext.load_cert_chain (#80961)

* update ansible-galaxy testserver to use SSLContext.load_cert_chain for Python 3.12 compatibility

test/integration/targets/ansible-galaxy/files/testserver.py

@@ -1,20 +1,15 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import sys
+import http.server
+import socketserver
 import ssl
 
 if __name__ == '__main__':
-    if sys.version_info[0] >= 3:
-        import http.server
-        import socketserver
     Handler = http.server.SimpleHTTPRequestHandler
+    context = ssl.SSLContext()
+    context.load_cert_chain(certfile='./cert.pem', keyfile='./key.pem')
     httpd = socketserver.TCPServer(("", 4443), Handler)
-    else:
-        import BaseHTTPServer
-        import SimpleHTTPServer
-        Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
-        httpd = BaseHTTPServer.HTTPServer(("", 4443), Handler)
+    httpd.socket = context.wrap_socket(httpd.socket, server_side=True)
 
-    httpd.socket = ssl.wrap_socket(httpd.socket, certfile='./cert.pem', keyfile='./key.pem', server_side=True)
     httpd.serve_forever()