チャンネル検索でワイルドカードを使えるようにする

[TwoSquirrels]

close #4171

/* みたいなやつがほぼ全てのチャンネルを表示しようとして重いという問題点があるので，#4630 も一緒に入れて解決したい

[github-actions]

Preview (prod) → https://4629-prod.traq-preview.trapti.tech/
Preview (dev) → https://4629-dev.traq-preview.trapti.tech/

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 8.72%. Comparing base (aed3a00) to head (bc5c815).

Files with missing lines	Patch %	Lines
src/lib/channel.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           master   #4629      +/-   ##
=========================================
- Coverage    8.72%   8.72%   -0.01%     
=========================================
  Files         692     692              
  Lines       30947   30948       +1     
  Branches      536     537       +1     
=========================================
  Hits         2699    2699              
- Misses      28241   28242       +1     
  Partials        7       7              

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[cp-20]

これは仕様の話になるんですが、abc* (abc で始まるものすべて) みたいなのは許容しない感じですか？ (何か需要があるかと言われるとパッと思いつかないけど、単なる疑問)