Silence some more unfixable things

In the case of `Jinja2DivFormRenderer.__init__` - it will be gone come
Django 6.0 anyway when we can just remove this ignore.

Author: ngnpope

scripts/stubtest/allowlist.txt

@@ -268,3 +268,9 @@ django.contrib.gis.db.backends.base.features.BaseSpatialFeatures.unsupported_geo
 # Django uses a `*args` parameter but crash if it contains more than 1 element.
 django.http.QueryDict.pop
 django.http.request.QueryDict.pop
+
+# Django incorrectly decorates this with `@classmethod`.
+django.test.selenium.SeleniumTestCase.__init_subclass__
+
+# Django incorrectly uses a signature of `(self, *args, **kwargs)` when it should be `(self)`.
+django.forms.renderers.Jinja2DivFormRenderer.__init__