fix(plugin-lighthouse): prevent cleanup permissions error on windows

Author: matejchalk

packages/plugin-lighthouse/src/lib/runner/runner.ts

@@ -2,7 +2,8 @@ import type { Config, RunnerResult } from 'lighthouse';
 import { runLighthouse } from 'lighthouse/cli/run.js';
 import path from 'node:path';
 import type { AuditOutputs, RunnerFunction } from '@code-pushup/models';
-import { ensureDirectoryExists, ui } from '@code-pushup/utils';
+import { ensureDirectoryExists, pluginWorkDir, ui } from '@code-pushup/utils';
+import { LIGHTHOUSE_PLUGIN_SLUG } from '../constants.js';
 import { orderSlug, shouldExpandForUrls } from '../processing.js';
 import type { LighthouseOptions } from '../types.js';
 import { DEFAULT_CLI_FLAGS } from './constants.js';
@@ -19,6 +20,11 @@ export function createRunnerFunction(
   flags: LighthouseCliFlags = DEFAULT_CLI_FLAGS,
 ): RunnerFunction {
   return async (): Promise<AuditOutputs> => {
+    process.env['TEMP'] = path.join(
+      pluginWorkDir(LIGHTHOUSE_PLUGIN_SLUG),
+      'tmp',
+    );
+
     const config = await getConfig(flags);
     const normalizationFlags = enrichFlags(flags);
     const isSingleUrl = !shouldExpandForUrls(urls.length);