config: Add explicit line-length parameter to black pre-commit hook

Ensure black uses --line-length=88 consistently in CI environment.
This should resolve any parameter differences between local and CI black execution.

.pre-commit-config.yaml

@@ -3,6 +3,7 @@ repos:
     rev: 23.9.1
     hooks:
       - id: black
+        args: ["--line-length=88"]
 
   - repo: https://github.com/PyCQA/isort
     rev: 5.13.0