feat!: update markdown-it support to v14

[PetroSilenius]

Description

We're using this library in our internal docs and a dependabot PR there failed due to conflicting peer dependency versions with markdown-it.

This PR updates support for markdown-it to v14 and while at it updates all dependencies to latest versions

Additional context

Upgraded dependency versions

markdown-it           dev              ~3mo        ^13.0.2  →   ^14.0.0  ~25d
@antfu/eslint-config  dev              ~1mo         ^2.1.2  →    ^2.6.1   ~6d
eslint                dev              ~2mo        ^8.54.0  →   ^8.56.0  ~18d
lint-staged           dev              ~2mo        ^15.1.0  →   ^15.2.0  ~30d
pnpm                  dev              ~1mo        ^8.11.0  →   ^8.13.1   ~7d
vitest                dev              ~1mo  ^1.0.0-beta.6  →    ^1.1.1   ~2d
pnpm                  package-manager  ~1mo        ^8.11.0  →   ^8.13.1   ~7d
@antfu/utils          dev              ~5mo         ^0.7.6  →    ^0.7.7  ~23d
@types/node           dev              ~1mo       ^20.10.1  →  ^20.10.6   ~4d
bumpp                 dev              ~5mo         ^9.2.0  →    ^9.2.1  ~24d
prettier              dev              ~2mo         ^3.1.0  →    ^3.1.1  ~23d
typescript            dev              ~1mo         ^5.3.2  →    ^5.3.3  ~27d
vite                  dev              ~1mo         ^5.0.4  →   ^5.0.10  ~18d