ci: make that JSON

Author: jamesiarmes

.github/workflows/ruby.yaml

@@ -30,8 +30,8 @@ jobs:
           for i in "${paths[@]}"; do
             projects+=($(dirname "$i"))
           done
-          echo "${projects}" | jq --raw-input 'split(" ")' > output
-          echo "$output"
+          output=$(echo "${projects}" | jq --raw-input 'split(" ")')
+          echo "OUTPUT: $output"
           echo "projects=$output" >> $GITHUB_OUTPUT
       - name: Show all matching projects
         shell: bash