[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/executablebooks/mdformat: 0.7.15 → 0.7.16](hukkin/mdformat@0.7.15...0.7.16)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -67,7 +67,7 @@ repos:
     -   id: interrogate
         args: [-v, --fail-under=40, src, tests]
 -   repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.15
+    rev: 0.7.16
     hooks:
     -   id: mdformat
         additional_dependencies: [