[pre-commit.ci] pre-commit autoupdate (#186)

updates:
- [github.com/executablebooks/mdformat: 0.7.17 → 0.7.18](hukkin/mdformat@0.7.17...0.7.18)

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

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ repos:
     #   hooks:
     #   - id: markdownlint-fix
     - repo: https://github.com/executablebooks/mdformat
-      rev: 0.7.17  # Use the ref you want to point at
+      rev: 0.7.18  # Use the ref you want to point at
       hooks:
       - id: mdformat
         # Optionally add plugins