Bump flake8 from 7.1.2 to 7.3.0 (#559)

Bumps [flake8](https://github.com/pycqa/flake8) from 7.1.2 to 7.3.0.
- [Commits](PyCQA/flake8@7.1.2...7.3.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

setup.py

@@ -31,7 +31,7 @@ def readme():
         "test": [
             "black==25.1.0",
             "dill==0.4.0",
-            "flake8==7.1.2",
+            "flake8==7.3.0",
             "isort==6.0.0",
             "pytype==2024.9.13",
             "pytest==8.4.1",