⬆️ Update flake8-no-pep420 requirement in /ozi/lint/flake8

Updates the requirements on [flake8-no-pep420](https://github.com/adamchainz/flake8-no-pep420) to permit the latest version.
- [Changelog](https://github.com/adamchainz/flake8-no-pep420/blob/main/CHANGELOG.rst)
- [Commits](adamchainz/flake8-no-pep420@2.7.0...2.8.0)

---
updated-dependencies:
- dependency-name: flake8-no-pep420
  dependency-type: direct:production
...

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

ozi/lint/flake8/requirements.in

@@ -9,7 +9,7 @@ flake8-eradicate~=1.5
 flake8-fixme~=1.1
 flake8-bugbear~=24.8
 flake8-datetimez~=20.10
-flake8-no-pep420~=2.7
+flake8-no-pep420~=2.8
 flake8-comprehensions~=3.15 
 flake8-leading-blank-lines~=1.0
 flake8-tidy-imports~=4.10