chore: keep local-file-sink-memory test formatting as on main

The merge commit's pre-commit hook reformatted a file this branch does not own.

src/main/observability/local-file-sink-memory.test.ts

@@ -2,7 +2,11 @@ import { mkdtempSync, readFileSync, rmSync, statSync } from 'node:fs'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { createLocalFileSink, DROPPED_RECORD_TYPE, type LocalFileSink } from './local-file-sink'
+import {
+  createLocalFileSink,
+  DROPPED_RECORD_TYPE,
+  type LocalFileSink
+} from './local-file-sink'
 
 function parseLine(raw: string): Record<string, unknown> {
   return JSON.parse(raw) as Record<string, unknown>