Added http 102, 103, 421, and 425 status codes (#8350)

Author: parthokr

rest_framework/status.py

@@ -29,6 +29,8 @@ def is_server_error(code):
 
 HTTP_100_CONTINUE = 100
 HTTP_101_SWITCHING_PROTOCOLS = 101
+HTTP_102_PROCESSING = 102
+HTTP_103_EARLY_HINTS = 103
 HTTP_200_OK = 200
 HTTP_201_CREATED = 201
 HTTP_202_ACCEPTED = 202
@@ -67,9 +69,11 @@ def is_server_error(code):
 HTTP_416_REQUESTED_RANGE_NOT_SATISFIABLE = 416
 HTTP_417_EXPECTATION_FAILED = 417
 HTTP_418_IM_A_TEAPOT = 418
+HTTP_421_MISDIRECTED_REQUEST = 421
 HTTP_422_UNPROCESSABLE_ENTITY = 422
 HTTP_423_LOCKED = 423
 HTTP_424_FAILED_DEPENDENCY = 424
+HTTP_425_TOO_EARLY = 425
 HTTP_426_UPGRADE_REQUIRED = 426
 HTTP_428_PRECONDITION_REQUIRED = 428
 HTTP_429_TOO_MANY_REQUESTS = 429