chore(deps): update dependency black to v26.5.1

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

requirements.txt

@@ -33,7 +33,7 @@ toon-format @ git+https://github.com/toon-format/toon-python.git
 pytest>=7.0.0
 pytest-asyncio>=0.21.0
 pytest-cov>=4.1.0
-black==26.3.0
+black==26.5.1
 flake8>=6.0.0
 mypy>=1.0.0
 pre-commit>=3.7.0