Merge pull request #484 from mruby/dependabot/pre_commit/https-/github.com/igorshubovych/markdownlint-cli-0.48.0

Author: matz

.pre-commit-config.yaml

@@ -75,7 +75,7 @@ repos:
         types: [markdown]
         files: \.md$
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.47.0
+    rev: v0.48.0
     hooks:
       - id: markdownlint
         name: run markdownlint