Convert to ESM

__fixtures__/core.js

@@ -0,0 +1,12 @@
+/**
+ * This file is used to mock the `@actions/core` module in tests.
+ */
+import { jest } from '@jest/globals'
+
+export const debug = jest.fn()
+export const error = jest.fn()
+export const info = jest.fn()
+export const getInput = jest.fn()
+export const setOutput = jest.fn()
+export const setFailed = jest.fn()
+export const warning = jest.fn()

__fixtures__/github.js

@@ -0,0 +1,5 @@
+export const context = {
+  payload: {
+    actor: 'mona'
+  }
+}