Bump black from 24.10.0 to 26.3.1 (#42)

Bumps [black](https://github.com/psf/black) from 24.10.0 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@24.10.0...26.3.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Anthony Njonge <47349801+mwirikia@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -19,7 +19,7 @@ cryptography = "^46.0.5"
 python-dotenv = "^1.1.1"
 
 [tool.poetry.group.dev.dependencies]
-black = "^24.10.0"
+black = "^26.3.1"
 ruff = "^0.6.9"
 pylint = "^3.3.1"
 mypy = "^1.11.2"