chore(pre-commit): update jackdewinter/pymarkdown to v0.9.8

Author: renovate[bot]

.pre-commit-config.yaml

@@ -57,7 +57,7 @@ repos:
         args: [--py3-plus, --keep-percent-format]
 
   - repo: https://github.com/jackdewinter/pymarkdown
-    rev: 0.9.0
+    rev: v0.9.8
     hooks:
       - id: pymarkdown
         entry: pymarkdown