jq fix.

action.yml

@@ -75,10 +75,12 @@ runs:
         Please reply with a keyword on this issue.
         "
 
+        ASSIGNEES_JSON=$(jq -nc --arg csv "$APPROVERS" '$csv | split(",")')
+
         json=$(jq -n \
           --arg title "$title" \
           --arg body "$body" \
-          --argjson assignees "$(printf '"%s"' ${APPROVERS//,/\" \"})" \
+          --argjson assignees "$ASSIGNEES_JSON" \
           '{title:$title, body:$body, assignees:$assignees}')
 
         resp=$(curl -s -X POST \