Change HTTPONLY_ATTR value from "HTTPOnly" to "HttpOnly"

This commit updates the value of the HTTPONLY_ATTR constant from
"HTTPOnly" to the more commonly used "HttpOnly".
It makes HTTP communication more consistent.

Author: kairi003

Lib/http/cookiejar.py

@@ -50,7 +50,7 @@ def _debug(*args):
         logger = logging.getLogger("http.cookiejar")
     return logger.debug(*args)
 
-HTTPONLY_ATTR = "HTTPOnly"
+HTTPONLY_ATTR = "HttpOnly"
 HTTPONLY_PREFIX = "#HttpOnly_"
 DEFAULT_HTTP_PORT = str(http.client.HTTP_PORT)
 NETSCAPE_MAGIC_RGX = re.compile("#( Netscape)? HTTP Cookie File")

Lib/test/test_http_cookiejar.py

@@ -1882,7 +1882,7 @@ def test_mozilla(self):
 
         for cookie in c:
             if cookie.name == "foo1":
-                cookie.set_nonstandard_attr("HTTPOnly", "")
+                cookie.set_nonstandard_attr("HttpOnly", "")
 
         def save_and_restore(cj, ignore_discard):
             try:
@@ -1897,7 +1897,7 @@ def save_and_restore(cj, ignore_discard):
         new_c = save_and_restore(c, True)
         self.assertEqual(len(new_c), 6)  # none discarded
         self.assertIn("name='foo1', value='bar'", repr(new_c))
-        self.assertIn("rest={'HTTPOnly': ''}", repr(new_c))
+        self.assertIn("rest={'HttpOnly': ''}", repr(new_c))
 
         new_c = save_and_restore(c, False)
         self.assertEqual(len(new_c), 4)  # 2 of them discarded on save