Tagged master branch of django-polymorphic

This way Python 3.12 will work as following PR was merged.

jazzband/django-polymorphic#541

Author: sliverc

requirements/requirements-optionals.txt

@@ -1,4 +1,7 @@
 django-filter==23.3
-django-polymorphic==3.1.0
+# TODO once next version has been released (>3.1.0)
+# this should be set to pinned version again
+# see https://github.com/django-polymorphic/django-polymorphic/pull/541
+django-polymorphic@git+https://github.com/django-polymorphic/django-polymorphic@master
 pyyaml==6.0.1
 uritemplate==4.1.1

setup.cfg

@@ -65,9 +65,6 @@ filterwarnings =
     error::PendingDeprecationWarning
     # Remove when DRF is not depending on it anymore
     ignore:The django.utils.timezone.utc alias is deprecated.
-    # can be removed once fixed in django polymorphic
-    ignore:pkg_resources is deprecated as an API
-    ignore:Deprecated call to `pkg_resource
     # Django filter schema generation. Can be removed once we remove
     # schema support
     ignore:Built-in schema generation is deprecated.