fix(frontend): tabler-iconsが読み込めない問題を修正（暫定的対応）

[kakkokari-gtyih]

What

tabler-iconsを、フォントspecに適合した自前ビルドに置き換え（ https://github.com/misskey-dev/tabler-icons ）

upstreamとの違い：

• Remove unused ligatures from tabler/icons-webfont tabler/tabler-icons#1312 を取り込んだ
• Github actionsでビルド/tarball化できるようにした

Why

#10371, #14364 への暫定的対応
tabler-icons側で修正が入ったらそちらに戻すべし

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[kakkokari-gtyih]

gfx.downloadable_fonts.otl_validation が有効なFirefoxでアイコンが表示されることを確認

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 18.83%. Comparing base (605756d) to head (f32695c).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #15332       +/-   ##
============================================
- Coverage    38.70%   18.83%   -19.88%     
============================================
  Files         1603      764      -839     
  Lines       204284   111027    -93257     
  Branches      4015     1233     -2782     
============================================
- Hits         79069    20907    -58162     
+ Misses      124609    89533    -35076     
+ Partials       606      587       -19     

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[kakkokari-gtyih]

コンフリクト解消

[anatawa12]

2025.1.0に入れちゃいたい気もする

[mi-gh-maintainer]

Thank you 🙏