Declared Django 4.2 support in README.md (#8985)

Author: MehrazRumman

README.md

@@ -55,7 +55,7 @@ There is a live example API for testing purposes, [available here][sandbox].
 # Requirements
 
 * Python 3.6+
-* Django 4.1, 4.0, 3.2, 3.1, 3.0
+* Django 4.2, 4.1, 4.0, 3.2, 3.1, 3.0
 
 We **highly recommend** and only officially support the latest patch release of
 each Python and Django series.