feat: AiScriptを緊急停止する関数を追加

[FineArchs]

Core:abort関数により、例外を発生させプログラムを緊急停止できるようになります。

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.04% 🎉

Comparison is base (d4071dd) 88.47% compared to head (5632ed6) 88.52%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #372      +/-   ##
==========================================
+ Coverage   88.47%   88.52%   +0.04%     
==========================================
  Files          21       21              
  Lines        3452     3467      +15     
  Branches      572      575       +3     
==========================================
+ Hits         3054     3069      +15     
  Misses        386      386              
  Partials       12       12              

Files Changed	Coverage Δ
src/error.ts	91.89% <100.00%> (+1.41%)	⬆️
src/interpreter/lib/std.ts	75.34% <100.00%> (+0.17%)	⬆️

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[syuilo]

🙏