Quit the redis client in health check and timeout the client connection if longer than 2 seconds

src/health/redis.healthIndicator.ts

@@ -16,6 +16,7 @@ export class RedisHealthIndicator extends HealthIndicator {
     await new Promise((resolve, reject) => {
       client.on('ready', resolve);
       client.on('error', reject);
+      setTimeout(reject, 2000);
     }).catch((err) => {
       client.quit();
       throw new HealthCheckError('Redis connection failed', {
@@ -27,6 +28,8 @@ export class RedisHealthIndicator extends HealthIndicator {
       });
     });
 
+    client.quit();
+
     return this.getStatus('Redis', true);
   }
 }
\ No newline at end of file