squash: rename yet another function value

Author: LiviaMedeiros

lib/internal/test_runner/mock/mock_timers.js

@@ -643,7 +643,7 @@ class MockTimers {
             __proto__: null,
             configurable: true,
             writable: true,
-            value: function value(delay) {
+            value: function timeout(delay) {
               validateUint32(delay, 'delay', false);
               const controller = new AbortController();
               // Don't keep an unused binding to the timer; mock tick controls it