Update dependency jekyll to v4.3.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jekyll (source, changelog)	'4.3.3' -> '4.3.4'

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Release Notes

jekyll/jekyll (jekyll)

### [`v4.3.4`](https://redirect.github.com/jekyll/jekyll/compare/v4.3.3...v4.3.4) [Compare Source](https://redirect.github.com/jekyll/jekyll/compare/v4.3.3...v4.3.4)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[yegor256]

@rultor please, try to merge, since 6 checks have passed

[rultor]

@rultor please, try to merge, since 6 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 6 checks have passed

@yegor256 Done! FYI, the full log is here (took me 33min)