Update pep8-naming requirement from ==0.14.* to ==0.15.* (#5055)

Updates the requirements on [pep8-naming](https://github.com/PyCQA/pep8-naming) to permit the latest version.
- [Release notes](https://github.com/PyCQA/pep8-naming/releases)
- [Changelog](https://github.com/PyCQA/pep8-naming/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/PyCQA/pep8-naming/compare/0.14.0...0.15.0)

---
updated-dependencies:
- dependency-name: pep8-naming
  dependency-version: 0.15.0
  dependency-type: direct:production
...

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pyproject.toml

@@ -114,7 +114,7 @@ dev = [
   "flake8==7.2.*",
   "freezegun",
   "isort==6.0.*",
-  "pep8-naming==0.14.*",
+  "pep8-naming==0.15.*",
   "potypo",
   "pytest-asyncio>=0.24",
   "pytest-cache",