fix cron?

.github/workflows/cron.yml

@@ -14,8 +14,9 @@ jobs:
           curl --request POST \
           --url 'bot-stats.lucids-cove.duckdns.org/api/graphql' \
           --header 'x-api-key: ${{ secrets.NEXT_PUBLIC_API_TOKEN }}' \
+          --header 'Content-Type: application/json' \
           --data '{
-            "query": "mutation {
+            \"query\": \"mutation {
               cronJob(mutationKey: ${{ secrets.GRAPHQL_MUTATION_KEY }}) {
                   commandResponses
                   createdAt
@@ -23,5 +24,5 @@ jobs:
                   timesTriggered
                   updatedAt
               }
-            }"
+            }\"
           }'