fix: adapt bb socket port to next lint

Author: AztecBot

barretenberg/ts/bb.js/src/bb_backends/node/native_socket.test.ts

@@ -2,6 +2,7 @@ import { jest } from '@jest/globals';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
+
 import { BarretenbergNativeSocketAsyncBackend } from './native_socket.js';
 
 jest.setTimeout(30_000);

barretenberg/ts/bb.js/src/bb_backends/node/native_socket.ts

@@ -281,10 +281,11 @@ export class BarretenbergNativeSocketAsyncBackend implements IMsgpackBackendAsyn
     });
   }
 
-  async destroy(): Promise<void> {
+  destroy(): Promise<void> {
     this.failAllPending(new Error('Backend connection closed'));
     // Don't try to unlink socket - bb owns it and will clean it up
     this.process.kill('SIGTERM');
     this.process.removeAllListeners();
+    return Promise.resolve();
   }
 }