fix: remove or edit TODO [>=7]

[EldarMuhamethanov]

Описание

Нужно убрать устаревшие TODO >=7 или поменять их на >=8

Изменения

• В компоненте ContentBadge убрал TODO [>=7]: переименовать в Badge, в компоненте Badge убрал TODO [>=7]: переименовать в Dot (см. ссылка на обсуждение)
• В postcss.js поменял TODO [>=7] на TODO [>=8] так как в v7 gap так и не поддерживается всем браузерами
• В platform.ts поменял TODO [>=7] на TODO [>=8] , так как пока не договорились об именовании

Release notes

[github-actions]

size-limit report 📦

Path	Size
JS	381 KB (0%)
JS (gzip)	115.45 KB (0%)
JS (brotli)	95.03 KB (0%)
JS import Div (tree shaking)	1.46 KB (0%)
CSS	332.24 KB (0%)
CSS (gzip)	42.12 KB (0%)
CSS (brotli)	33.2 KB (0%)

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e2e tests

Playwright Report

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.14%. Comparing base (9c0f507) to head (b61a904).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7832   +/-   ##
=======================================
  Coverage   95.14%   95.14%           
=======================================
  Files         377      377           
  Lines       11092    11092           
  Branches     3687     3687           
=======================================
  Hits        10554    10554           
  Misses        538      538           

Flag	Coverage Δ
unittests	95.14% <ø> (ø)

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👀 Docs deployed

• ✅ Styleguide
• ✅ Storybook

Commit b61a904