Merge pull request #42 from jonasbn/dependabot/github_actions/nosborn/github-action-markdown-cli-3.4.0

Author: dependabot[bot]

.github/workflows/markdownlint.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
-    - uses: nosborn/github-action-markdown-cli@v3.3.0
+    - uses: nosborn/github-action-markdown-cli@v3.4.0
       name: Markdownlint
       with:
         files: .