implement mutation support for BulkOps CLI command

Author: ericlee878

packages/app/src/cli/flags.ts

@@ -38,7 +38,7 @@ export const appFlags = {
 export const bulkOperationFlags = {
   query: Flags.string({
     char: 'q',
-    description: 'The GraphQL query, as a string.',
+    description: 'The GraphQL query or mutation, as a string.',
     env: 'SHOPIFY_FLAG_QUERY',
     required: true,
   }),