refactor: Analyze除外対象パスの修正

[Npepperlinux]

「なぜWindows環境で*.freezed.dartと*.g.dartが分析対象になっているんだ？」と思っていたら、システムのルートまで対象に含まれていそうなexcludeが設定されていたため修正する提案です。

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 28.09%. Comparing base (2866641) to head (853d96e).
⚠️ Report is 1 commits behind head on develop.
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Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #847      +/-   ##
===========================================
- Coverage    28.12%   28.09%   -0.03%     
===========================================
  Files          375      375              
  Lines        22445    22445              
===========================================
- Hits          6313     6307       -6     
- Misses       16132    16138       +6     

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