Bump black from 26.1.0 to 26.3.1

Bumps [black](https://github.com/psf/black) from 26.1.0 to 26.3.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.1.0...26.3.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

Pipfile

@@ -15,7 +15,7 @@ gunicorn = "~=25.0.0"
 # Code Quality
 pylint = "~=4.0.4"
 flake8 = "~=7.3.0"
-black = "~=26.1.0"
+black = "~=26.3.1"
 
 # Test-Driven Development
 pytest = "~=9.0.2"