Update kombu requirement from ~=5.4.1 to ~=5.4.2

Updates the requirements on [kombu](https://github.com/celery/kombu) to permit the latest version.
- [Release notes](https://github.com/celery/kombu/releases)
- [Changelog](https://github.com/celery/kombu/blob/main/Changelog.rst)
- [Commits](celery/kombu@v5.4.1...v5.4.2)

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

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

requirements.txt

@@ -18,7 +18,7 @@ python-dotenv~=1.0.1
 click~=8.1.7
 openpyxl~=3.1.5
 opening-hours-py~=0.6.18
-kombu~=5.4.1
+kombu~=5.4.2
 lxml~=5.3.0
 parkapi-sources~=0.13.3