Remove unneeded tests against Django main

Author: thibaudcolas

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-          cache: 'poetry'
+          cache: "poetry"
       - run: pip install tox
       - run: tox -e lint,py313-dj51
   test_compatibility:
@@ -29,11 +29,11 @@ jobs:
           - python: "3.9"
             toxenv: py39-dj42
           - python: "3.10"
-            toxenv: py310-dj42,py310-dj50,py310-dj51,py310-djmain
+            toxenv: py310-dj42,py310-dj50,py310-dj51
           - python: "3.11"
-            toxenv: py311-dj42,py311-dj50,py311-dj51,py311-djmain
+            toxenv: py311-dj42,py311-dj50,py311-dj51
           - python: "3.12"
-            toxenv: py312-dj42,py312-djmain
+            toxenv: py312-dj42
           - python: "3.13"
             toxenv: py313-dj42,py312-djmain
     steps:
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version-file: '.nvmrc'
+          node-version-file: ".nvmrc"
       - id: node-cache
         uses: actions/cache@v3
         with:
@@ -68,7 +68,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version-file: pyproject.toml
-          cache: 'poetry'
+          cache: "poetry"
       - run: poetry install
       - run: poetry run django-admin runserver --settings=tests.settings.production --pythonpath=. &
       # Docs website build.