chore(deps): bump django from 4.2.17 to 4.2.18 in /back/requirements

Bumps [django](https://github.com/django/django) from 4.2.17 to 4.2.18.
- [Commits](django/django@4.2.17...4.2.18)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

back/requirements/base.txt

@@ -1,6 +1,6 @@
 data-inclusion-schema==0.19.0
 dj-database-url==2.3.0
-Django==4.2.17
+Django==4.2.18
 django-cors-headers==4.6.0
 django-csp==3.8
 django-filter==24.3