Update black requirement from ~=25.9.0 to ~=26.1.0

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@25.9.0...26.1.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -104,7 +104,7 @@ dev = [
     "cibuildwheel",
 
     # Linters, formatters, and test utilities.
-    "black~=25.9.0",
+    "black~=26.1.0",
     "isort[colors]~=8.0.1",
     "py-cpuinfo",
     "pylint~=4.0.2",