chore(deps-dev): bump flake8 from 7.1.2 to 7.2.0 in /operator

Bumps [flake8](https://github.com/pycqa/flake8) from 7.1.2 to 7.2.0.
- [Commits](PyCQA/flake8@7.1.2...7.2.0)

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

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

Author: dependabot[bot]

operator/poetry.lock

@@ -15,7 +15,7 @@ python-statemachine = "^2.5.0"
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4"
 black = "^25.1.0"
-flake8 = "^7.1.2"
+flake8 = "^7.2.0"
 flake8-black = "^0.3.6"
 coverage = "<8"
 pytest-asyncio = "^0.23.8"