fix(CI): update repo and version for jekyll-link-checker.yml workflow (#3320)

Author: bjormel

.github/workflows/link-checker.yml

@@ -13,7 +13,7 @@ on:
 
 jobs:
   test:
-    uses: vespa-engine/gh-actions-workflows/.github/workflows/jekyll-link-checker.yml@v1
+    uses: vespa-engine/gh-actions/.github/workflows/jekyll-link-checker.yml@main
     with:
       ignore-files: |-
         /playground/index.html/