add latest django 4.2 branch to ci

mShan0 · mShan0 · commit f9a1b43dcb61 · 2023-04-04T10:27:19.000-07:00
diff --git a/tox.ini b/tox.ini
@@ -20,4 +20,4 @@ deps =
     django32: django==3.2.*
     django40: django>=4.0a1,<4.1
     django41: django>=4.1a1,<4.2
-    django42: django>=4.2rc1,<4.3
+    django42: django>=4.2,<4.3
