chore(deps): pre-commit autoupdate

updates:
- [github.com/pre-commit/pre-commit-hooks: v4.6.0 → v6.0.0](pre-commit/pre-commit-hooks@v4.6.0...v6.0.0)
- [github.com/astral-sh/ruff-pre-commit: v0.11.0 → v0.15.12](astral-sh/ruff-pre-commit@v0.11.0...v0.15.12)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ ci:
 repos:
   # ── Standard hygiene ──────────────────────────────────────────────
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
+    rev: v6.0.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
@@ -30,7 +30,7 @@ repos:
 
   # ── Ruff — lint + format, replaces flake8 + isort + black ──────────
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.11.0
+    rev: v0.15.12
     hooks:
       - id: ruff
         args: [--fix]