Add CI check for outstanding migrations + Django security upgrade (#63)

* Initial plan

* Add CI check for outstanding Django migrations

Co-authored-by: jasonappah <30608521+jasonappah@users.noreply.github.com>

* Add explanatory comments for migration check

Co-authored-by: jasonappah <30608521+jasonappah@users.noreply.github.com>

* Upgrade Django to 5.1.15 to fix security vulnerabilities

Co-authored-by: jasonappah <30608521+jasonappah@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jasonappah <30608521+jasonappah@users.noreply.github.com>
Co-authored-by: Jason Antwi-Appah <hey@jasonaa.me>

Author: Copilot

.github/workflows/check.yml

@@ -35,5 +35,10 @@ jobs:
         run: cp .env.example .env
       - name: Run lint
         run: pipenv run ./scripts/lint.sh
+      # Check if there are any outstanding Django migrations that need to be created
+      # This command exits with code 1 if there are outstanding migrations
+      # Note: Database connection warnings are expected and do not affect the check
+      - name: Check for outstanding migrations
+        run: pipenv run python manage.py makemigrations --check --dry-run
       # - name: Run tests
       #   run: pipenv run python manage.py test