Switch Checkers workflow from linkinator-action to linkinator to avoid behavioral issues in te Action (JustinBeckwith/linkinator#802).

Author: DavidAnson

.github/workflows/checkers.yml

@@ -13,10 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-    - uses: JustinBeckwith/linkinator-action@v2.4.0
-      with:
-        linksToSkip: '^https://github.com/ ^https://www.jwz.org/ ^https://www.npmjs.com/ ^https://opensource.org/ ^https://unix.stackexchange.com/'
-        paths: '*.md doc/*.md helpers/*.md'
+    - run: 'npx linkinator "*.md" "doc/*.md" "helpers/*.md" --directory-listing --skip "^https://github.com/.*/search\?q=" --skip "^https://www.jwz.org/"'
 
   spellcheck:
     runs-on: ubuntu-latest