Use jq

Author: janhohenheim

Diff for: .github/workflows/ci.yml

@@ -36,10 +36,7 @@ jobs:
       run: |
         npm install -g @umbrelladocs/linkspector
         echo "linkspector version: $(linkspector --version)"
-        echo "files:" > .linkspector.yml
-        echo "${{ steps.changed-files.outputs.changed_files }}" | tr ' ' '\n' | while read -r file; do
-            echo "  - $file" >> .linkspector.yml
-        done
+        jq '{"files": $ARGS.positional}' --null-input --args ${{ steps.changed-files.outputs.changed_files }} > .linkspector.yml
         linkspector check --config .linkspector.yml
     - name: Install Zola
       run: |