added core library i think

.github/scripts/trigger-regression.js

@@ -1,6 +1,6 @@
 // This script will be responsible for triggering a specified workflow, waiting for its completion, and then logging the conclusion.
 
-const triggerAndWait = async ({ github, context }) => {
+const triggerAndWait = async ({ github, context, core }) => {
   const owner = 'cris-oddball'; // user of private repo 
   const repo = 'hello-world'; // private repo to contact
   const workflow_id = 'run-tests.yml'; // Replace with your workflow file name or ID