fix: add afterEach to vitest imports in remove_trigger_label.test.cjs

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Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Author: Copilot

actions/setup/js/remove_trigger_label.test.cjs

@@ -1,5 +1,5 @@
 // @ts-check
-import { describe, it, expect, beforeEach, vi } from "vitest";
+import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
 const { ERR_CONFIG, ERR_API } = require("./error_codes.cjs");
 
 const mockCore = {