chore: Eslint upgrade

[pan-kot]

I am upgrading eslint configs in all remaining repos. Full list of PRs:

• chore: Eslint upgrade build-tools#89
• chore: Eslint upgrade browser-test-tools#255
• chore: Eslint upgrade chart-components#262
• chore: Eslint upgrade chat-components#176
• chore: Eslint upgrade collection-hooks#168
• chore: Eslint upgrade #257
• chore: Eslint upgrade demos#285

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.03%. Comparing base (74da7cc) to head (4a144dc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #257   +/-   ##
=======================================
  Coverage   99.03%   99.03%           
=======================================
  Files          48       48           
  Lines        1343     1343           
  Branches      368      346   -22     
=======================================
  Hits         1330     1330           
  Misses         13       13           

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