Update flake8 requirement from ==7.1.* to ==7.2.*

Updates the requirements on [flake8](https://github.com/pycqa/flake8) to permit the latest version.
- [Commits](PyCQA/flake8@7.1.0...7.2.0)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -19,7 +19,7 @@ pytype==2024.10.11
 # linting
 bandit[toml]==1.*
 pylint==3.3.*
-flake8==7.1.*
+flake8==7.2.*
 flake8-builtins==2.5.*
 flake8-bugbear==24.12.12
 flake8-comprehensions==3.*