chore(deps): bump dj-database-url in /tests/apps/dockerfile-release

Bumps [dj-database-url](https://github.com/jazzband/dj-database-url) from 3.1.0 to 3.1.2.
- [Release notes](https://github.com/jazzband/dj-database-url/releases)
- [Changelog](https://github.com/jazzband/dj-database-url/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jazzband/dj-database-url/compare/v3.1.0...v3.1.2)

---
updated-dependencies:
- dependency-name: dj-database-url
  dependency-version: 3.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

tests/apps/dockerfile-release/Pipfile.lock

@@ -26,12 +26,12 @@
         },
         "dj-database-url": {
             "hashes": [
-                "sha256:155a56fbbecbaaf1348ccd73bf29138b4c9988363ba08261a0f0145e392e638c",
-                "sha256:d80218426b83f9302c8d27d4fccf52de5cf0cab179f0645fb2839f37605d1353"
+                "sha256:544e015fee3efa5127a1eb1cca465f4ace578265b3671fe61d0ed7dbafb5ec8a",
+                "sha256:63c20e4bbaa51690dfd4c8d189521f6bf6bc9da9fcdb23d95d2ee8ee87f9ec62"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.10'",
-            "version": "==3.1.0"
+            "version": "==3.1.2"
         },
         "django": {
             "hashes": [