[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/thlorenz/doctoc: v2.3.0 → v2.4.0](thlorenz/doctoc@v2.3.0...v2.4.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -22,7 +22,7 @@ repos:
         args: ["--ignore", "LICENSE.md", "--disable", "~MD013"]
 
   - repo: https://github.com/thlorenz/doctoc
-    rev: v2.3.0
+    rev: v2.4.0
     hooks:
       - id: doctoc
         args: ["--update-only"]