chore(pypi): update dependency black to v26.3.1 (#113)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -31,7 +31,7 @@ reqstool-python-decorators = "0.1.0"
 poetry-dynamic-versioning = "1.10.0"
 
 [tool.poetry.group.dev.dependencies]
-black = { version = "26.3.0" }
+black = { version = "26.3.1" }
 flake8 = { version = "7.3.0" }
 flake8-pyproject = { version = "1.2.4" }
 pytest = { version = "9.0.2" }