chore(deps): update pre-commit hook astral-sh/ruff-pre-commit to v0.15.21 (#1629)

Co-authored-by: descope[bot] <107609351+descope[bot]@users.noreply.github.com>

Author: descope[bot]

.pre-commit-config.yaml

@@ -14,7 +14,7 @@ repos:
     hooks:
       - id: uv-lock
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.20
+    rev: v0.15.21
     hooks:
       - id: ruff-check
         args: [--fix]