dependabot: bump flake8 from 7.0.0 to 7.3.0

Bumps [flake8](https://github.com/pycqa/flake8) from 7.0.0 to 7.3.0.
- [Commits](PyCQA/flake8@7.0.0...7.3.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -31,7 +31,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest==8.3.5",
-    "flake8==7.0.0",
+    "flake8==7.3.0",
     "black==26.3.1",
     "isort==5.13.2",
     "mypy==1.11.2",

requirements.txt

@@ -13,7 +13,7 @@ transitions==0.9.3
 
 
 # Development dependencies
-flake8==7.0.0
+flake8==7.3.0
 black==26.3.1
 isort==5.13.2
 mypy==1.11.2