[ci] Fix django.core not installed in ci for python 3.12,3.13 and django 5.2

Author: dee077

.github/workflows/ci.yml

@@ -84,7 +84,6 @@ jobs:
           pip install -U pip wheel setuptools
           pip install -r requirements-test.txt
           pip install -U -I -e .
-          pip uninstall -y Django
           pip install -U ${{ matrix.django-version }}
           sudo npm install -g prettier