fix: update nosborn/github-action-markdown-cli action to v3.4.0 (#299)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/markdown-linter.yml

@@ -29,6 +29,6 @@ jobs:
         with:
           fetch-depth: 0
       - name: Run markdownlint
-        uses: nosborn/github-action-markdown-cli@9b5e871c11cc0649c5ac2526af22e23525fa344d # v3.3.0
+        uses: nosborn/github-action-markdown-cli@58bcfd1af530d87a13d51b76e6713b52602e3613 # v3.4.0
         with:
           files: .