dep: update django requirement from ~=4.2.5 to ~=4.2.6 (#580)

Pipfile

@@ -13,7 +13,7 @@ django-allauth = "~=0.57.0"
 django-cors-headers = ">=3.14.0"
 django-exclusivebooleanfield = "~=0.3.0"
 django-widget-tweaks = ">=1.4.11"
-Django = "~=4.2.5"
+Django = "~=4.2.6"
 Pillow = "*"
 django-silk = "~=5.0.4"
 django-allow-cidr = ">=0.4.0"