build(deps): Bump django in /testing/plugins_integration (#11491)

Bumps [django](https://github.com/django/django) from 4.2.5 to 4.2.6.
- [Commits](django/django@4.2.5...4.2.6)

---
updated-dependencies:
- dependency-name: django
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

testing/plugins_integration/requirements.txt

@@ -1,5 +1,5 @@
 anyio[curio,trio]==4.0.0
-django==4.2.5
+django==4.2.6
 pytest-asyncio==0.21.1
 pytest-bdd==6.1.1
 pytest-cov==4.1.0