message: [next] Fix error message typo
  User the correct indefinite articles.
diff: @@ -711,7 +711,7 @@ export const build: BuildV2 = async ({
  throw new NowBuildError({
  code: 'NEXT_IMAGES_DANGEROUSLYALLOWSVG',
  message:
  - 'image-manifest.json "images.dangerouslyAllowSVG" must be an boolean. Contact support if this continues to happen.',
  + 'image-manifest.json "images.dangerouslyAllowSVG" must be a boolean. Contact support if this continues to happen.',
  });
  }
  if (
  @@ -721,7 +721,7 @@ export const build: BuildV2 = async ({
  throw new NowBuildError({
  code: 'NEXT_IMAGES_CONTENTSECURITYPOLICY',
  message:
  - 'image-manifest.json "images.contentSecurityPolicy" must be an string. Contact support if this continues to happen.',
  + 'image-manifest.json "images.contentSecurityPolicy" must be a string. Contact support if this continues to happen.',
  });
  }
  break;
  