bump markdown-link-checker action

Author: rnbguy

.github/workflows/markdown-link-check.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: markdown-link-check
-        uses: gaurav-nelson/[email protected].15
+        uses: gaurav-nelson/[email protected].16
         with:
           config-file: ".github/markdown-link-check.json"
           use-quiet-mode: "yes"