fix: mock modules must not use cache:true on Node >=24.17

The 24.17/24.18 module-loader changes broke cache:true mock modules:
the mocked specifier exposes its export names with values never bound,
so ESM sources importing { Redis } from the mocked ioredis received
undefined (TypeError: Redis is not a constructor) — reproduced 1:1 in
docker node:24 (24.18.0) while node 24.16 still worked.

cache:false restores correct binding on every supported version
(verified on 22.23.1, 24.16.0 and 24.18.0 — 249/249 each). Instance
caching was not load-bearing for these mocks: all shared state lives
on the exported references themselves (RedisClientMock statics), so
each re-evaluation serves the same objects.

Author: SerhiyGreench

test/mocks/mockBuiltin.ts

@@ -35,9 +35,12 @@ import { mock, type MockModuleOptions } from 'node:test';
  * which requires the default export to be a plain object (a bare class as
  * the default with named exports alongside is rejected by the runtime).
  *
- * `cache: true` keeps mock-require's semantics: every `require()` of the
- * mocked specifier returns the same module instance, so a test may patch a
- * property in place and the code under test observes the change.
+ * `cache: false` is required: as of the Node 24.17/24.18 module-loader
+ * changes, `cache: true` mock modules expose their export names with the
+ * values never bound (importing `{ Redis }` yields undefined). Instance
+ * caching is not load-bearing for these mocks anyway — every piece of
+ * shared state lives on the exported references themselves (for example
+ * RedisClientMock statics), so each re-evaluation serves the same objects.
  *
  * @param {Record<string, unknown>} exports - mock exports, `default` key being
  *                                            the default export
@@ -47,7 +50,7 @@ export function moduleMockOptions(
     exports: Record<string, unknown>,
 ): MockModuleOptions {
     const { default: defaultExport, ...namedExports } = exports;
-    const options: MockModuleOptions = { cache: true };
+    const options: MockModuleOptions = { cache: false };
 
     if (defaultExport !== undefined) {
         options.defaultExport = defaultExport;