[pre-commit.ci] pre-commit autoupdate (pybind#4210)

updates:
- [github.com/pre-commit/mirrors-mypy: v0.971 → v0.981](pre-commit/mirrors-mypy@v0.971...v0.981)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -126,7 +126,7 @@ repos:
 
 # Check static types with mypy
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: "v0.971"
+  rev: "v0.981"
   hooks:
   - id: mypy
     args: []