fix(ci): resolve lint error and broken import in tests

- Remove unused `randomInt` import in `src/lock-publisher.mjs`.
- Fix broken import path for `withTimeout` in `src/relay-health.mjs` (from `./utils.mjs` to `./lock-utils.mjs`).
- Verify fix with `npm test` and `npm run lint`.

Co-authored-by: PR0M3TH3AN <[email protected]>

src/lock-publisher.mjs

@@ -1,4 +1,4 @@
-import { randomUUID, randomInt } from 'node:crypto';
+import { randomUUID } from 'node:crypto';
 import { SimplePool } from 'nostr-tools/pool';
 import {
   getPublishTimeoutMs,

src/relay-health.mjs

@@ -4,7 +4,7 @@ import WebSocket from 'ws';
 import { finalizeEvent, generateSecretKey, getPublicKey } from 'nostr-tools/pure';
 import { getNamespace, getRelays } from './torch-config.mjs';
 import { MS_PER_SECOND } from './constants.mjs';
-import { withTimeout } from './utils.mjs';
+import { withTimeout } from './lock-utils.mjs';
 
 const PROBE_KIND = 27235;