Update black requirement from ^25.1 to ^26.1 (#48)

Updates the requirements on [black](https://github.com/psf/black) to permit the latest version.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.1.0...26.1.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.1.0
  dependency-type: direct:development
...

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Author: dependabot[bot]

pyproject.toml

@@ -19,7 +19,7 @@ tenacity = ">=8.1,<10.0"
 
 
 [tool.poetry.dev-dependencies]
-black = "^25.1"
+black = "^26.1"
 isort = "^6.0.0"
 pylint = "^3.2"
 pytest = "^8.2"