change to maintained tcort/github-action-markdown-link-check

Author: langchr86

.github/workflows/link-check.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: gaurav-nelson/github-action-markdown-link-check@v1
+      - uses: tcort/github-action-markdown-link-check@v1
         with:
           use-quiet-mode: 'yes'
           folder-path: 'topics'