chore(ci): add Python 3.11 and Django 4.1 to CI (#143)

Just some housekeeping and local dev tweaks.

Author: crccheck

.github/workflows/ci.yml

@@ -15,9 +15,10 @@ jobs:
         with:
           matrix: |
             python-version {3.7}, django-version {2.0,2.1,2.2,3.0,3.1}
-            python-version {3.8}, django-version {2.2,3.0,3.1,3.2,4.0}
-            python-version {3.9}, django-version {2.2,3.0,3.1,3.2,4.0}
-            python-version {3.10}, django-version {3.2,4.0}
+            python-version {3.8}, django-version {2.2,3.0,3.1,3.2,4.0,4.1}
+            python-version {3.9}, django-version {2.2,3.0,3.1,3.2,4.0,4.1}
+            python-version {3.10}, django-version {3.2,4.0,4.1}
+            python-version {3.11}, django-version {3.2,4.0,4.1}
       - name: Set matrix output variable
         id: set_matrix
         run: |
@@ -47,7 +48,7 @@ jobs:
         run: |
           rm -rf django_object_actions
           pip install --force-reinstall dist/*.whl
-      - run: pip install "Django~=${{ matrix.django-version }}"
+      - run: pip install "Django==${{ matrix.django-version }}.*"
       - run: make test
 
   lint: