build: Drop django 4.2 support and test with django 5.2

Author: feanil

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         python-version: ["3.12"]
-        toxenv: [quality, docs, pii_check, django42]
+        toxenv: [quality, docs, pii_check, django52]
     steps:
       - uses: actions/checkout@v4
       - name: setup python
@@ -39,7 +39,7 @@ jobs:
         run: tox
 
       - name: Run coverage
-        if: matrix.python-version == '3.12' && matrix.toxenv == 'django42'
+        if: matrix.python-version == '3.12' && matrix.toxenv == 'django52'
         uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}

backend/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{311,312}-django{42,52},docs,quality,pii_check
+envlist = py{311,312}-django{52},docs,quality,pii_check
 
 [doc8]
 ; D001 = Line too long