message: [cli] Normalize Builder output paths in `vc dev`
  Fixes
diff: @@ -13,6 +13,7 @@ import {
  Lambda,
  FileBlob,
  FileFsRef,
  + normalizePath,
  } from '@vercel/build-utils';
  import { isOfficialRuntime } from '@vercel/fs-detectors';
  import plural from 'pluralize';
  @@ -269,7 +270,9 @@ export async function executeBuild(
  const { cleanUrls } = vercelConfig;
  // Mimic fmeta-util and perform file renaming
  - Object.entries(output).forEach(([path, value]) => {
  + for (const [originalPath, value] of Object.entries(output)) {
  + let path = normalizePath(originalPath);
  +
  if (cleanUrls && path.endsWith('.html')) {
  path = path.slice(0, -5);
  @@ -284,7 +287,7 @@ export async function executeBuild(
  }
  output[path] = value;
  - });
  + }
  // Convert the JSON-ified output map back into their corresponding `File`
  // subclass type instances.
  