Pin npm module

Author: trask

.github/workflows/reusable-markdown-lint-check.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Install mardkdownlint
-        run: npm install -g markdownlint-cli
+        run: npm install -g markdownlint-cli@0.43.0
 
       - name: Run markdownlint
         run: |