Update pre-commit black version to 26.1.0

Sync black version in pre-commit config with pyproject.toml dependencies
to prevent formatting conflicts in CI pipeline.

Author: Martin Bartlett

.pre-commit-config.yaml

@@ -15,7 +15,7 @@ repos:
 
   # Black code formatting
   - repo: https://github.com/psf/black
-    rev: 24.10.0
+    rev: 26.1.0
     hooks:
       - id: black
         language_version: python3