flutterでanalysisの対象外を指定する

メモ

これでいけました

# analysis_options.yaml
# https://pub.dev/packages/pedantic_mono
include: package:pedantic_mono/analysis_options.yaml
analyzer:
  enable-experiment:
    - non-nullable
  exclude:  # ここを追加
    - lib/utils/**/*.dart
    - lib/utils/*.dart