Bump kombu in /{{ cookiecutter.project_name }}/app/requirements

Bumps [kombu](https://kombu.readthedocs.io) from 5.2.2 to 5.2.3.

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

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

Author: dependabot[bot]

{{ cookiecutter.project_name }}/app/requirements/production.txt

@@ -2,6 +2,6 @@ Django==3.2.10
 django-celery-beat==2.2.1
 psycopg2-binary==2.9.2
 redis==4.1.0
-kombu==5.2.2
+kombu==5.2.3
 celery==5.2.2
 gunicorn==20.1.0