Merge pull request #171 from instructlab/dependabot/github_actions/DavidAnson/markdownlint-cli2-action-19.0.0

Bump DavidAnson/markdownlint-cli2-action from 18.0.0 to 19.0.0

Author: nathan-weinberg

.github/workflows/docs.yml

@@ -41,6 +41,6 @@ jobs:
         with:
           fetch-depth: 0
       - name: "Check Markdown documents"
-        uses: DavidAnson/markdownlint-cli2-action@eb5ca3ab411449c66620fe7f1b3c9e10547144b0 # v18.0.0
+        uses: DavidAnson/markdownlint-cli2-action@a23dae216ce3fee4db69da41fed90d2a4af801cf # v19.0.0
         with:
           globs: '**/*.md'