chore: update pre-commit hooks (#84)

<!--pre-commit.ci start-->
updates:
- [github.com/astral-sh/ruff-pre-commit: v0.8.0 →
v0.8.1](astral-sh/ruff-pre-commit@v0.8.0...v0.8.1)
<!--pre-commit.ci end-->

.pre-commit-config.yaml

@@ -35,7 +35,7 @@ repos:
   # Python files
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.8.0
+    rev: v0.8.1
     hooks:
       - id: ruff
         files: "^(src/pybamm_cookie|tests$)"