Merge pull request #268 from arduino/dependabot/github_actions/xt0rted/markdownlint-problem-matcher-3

Bump xt0rted/markdownlint-problem-matcher from 2 to 3

Author: per1234

.github/workflows/check-markdown-task.yml

@@ -80,7 +80,7 @@ jobs:
           node-version: ${{ env.NODE_VERSION }}
 
       - name: Initialize markdownlint-cli problem matcher
-        uses: xt0rted/markdownlint-problem-matcher@v2
+        uses: xt0rted/markdownlint-problem-matcher@v3
 
       - name: Install Task
         uses: arduino/setup-task@v1