[l10n] Improve Russian (ru-RU) locale

[dastan-akhmetov-scity]

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[michelengelen]

@cherniavskii do you know if this change makes sense?

[github-actions]

This pull request has conflicts, please resolve those before we can evaluate the pull request.

[flaviendelangle]

@cherniavskii we could probably move on with this one

[MBilalShafi]

Hey @dastan-akhmetov-scity Could you rebase with the latest master branch to resolve the conflicts?
Thanks

[oliviertassinari]

I have tried to fix the PR. Using this code to check accuracy:

var cardinalRules = new Intl.PluralRules("ru-RU")
Array.from(new Array(50)).map((x, index) => cardinalRules.select(index))

---

The logic is still not right IMHO, but it feels like a good enough step forward for this PR. What I would explore more of:

1. Fix the number formatting, point 1 in [data grid] Format row count numbers in pagination #13222 (comment).
2. Make sure everything is translated what [data grid] Format row count numbers in pagination #13222 is about initially
3. Consider using Intl.PluralRules over a manual logic (maybe it doesn't matter though)