fix linter

Author: tvdijen

.github/workflows/xmllinter.yml

@@ -63,8 +63,8 @@ jobs:
       - name: Lint XML
         id: linter
         run: |
-          $(echo "${{ steps.find-xml.outputs.filelist }}") | jq -c '.[]' | while read -r i; do
-            ignore=$("jq --null-input '[\"${i}\"] - ${{ steps.read-ignore.outputs.ignore }}'")
+          $("${{ steps.find-xml.outputs.filelist }}") | jq -c '.[]' | while read -r i; do
+            ignore=$(jq --null-input '["${i}"] - ${{ steps.read-ignore.outputs.ignore }}')
             echo "$ignore"
 
             if [ "$ignore" = "[]" ]; then