chore(deps): update pre-commit hook psf/black to v26

Author: descope[bot]

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
       - id: isort
         args: ["--profile", "black"]
   - repo: https://github.com/psf/black
-    rev: 25.12.0
+    rev: 26.3.0
     hooks:
       - id: black
         language_version: python3