Update dependency black to ~=26.5.1 (#90)

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

Author: renovate[bot]

requirements.txt

@@ -1,7 +1,7 @@
 numpy~=2.4.2
 fastapi~=0.136.1
 starlette~=1.0.0
-black~=26.3.1
+black~=26.5.1
 pylint~=4.0.2
 flake8~=7.3.0
 mypy~=2.1.0