chore(deps-dev): Update flake8 requirement from 7.2.0 to 7.3.0

Updates the requirements on [flake8](https://github.com/pycqa/flake8) to permit the latest version.
- [Commits](PyCQA/flake8@7.2.0...7.3.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-version: 7.3.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -79,7 +79,7 @@ chardet = "^5.1"
 # pin to exact versions, if the tool/lib/plugin is process-relevant
 coverage = "7.8.2"
 ddt = "1.7.2"
-flake8 = "7.2.0"
+flake8 = "7.3.0"
 flake8-annotations = "3.1.1"
 flake8-bugbear = "24.12.12"
 flake8-copyright-validator = "^0.0.1"