Update dependency @mdxeditor/editor to v4.3.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@mdxeditor/editor (source)	4.3.2 → 4.3.3

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Release Notes

mdx-editor/editor (@​mdxeditor/editor)

v4.3.3

Compare Source

Bug Fixes

• core: keep unchanged nested editors out of the root undo history (1d7fa34)
• image: keep uploaded paste and drop images in table cells (9f7bfc1)
• image: keep uploads that finish after the user moves to another editor (72b0140)
• image: persist dialog changes in nested editors (f6c7d89)
• link-dialog: copy link URLs without the Clipboard API (ca2a284)
• link-dialog: hide the copy button when the Clipboard API is unavailable (22efbda), closes #​990
• markdown-shortcut: follow allowedHeadingLevels changes after mount (4ba2585)
• respect nonconsecutive heading levels in markdown shortcuts (5d9ca7d)
• table: keep unchanged cells out of the root undo history (90339e7)
• toolbar: sync history availability when controls mount (8924b4b)

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[dormouse-bot]

The version bump itself is clean: the exact pin is kept, lexical stays at a single 0.48.0 copy, and the only transitive change is micromark-extension-gfm-table 2.1.1 → 2.1.2, which the lockfile already carried. Build & Test fails at "Dependency disclosure is current" because the disclosed dependency snapshots weren't regenerated for the new versions (job log). I'll push the regenerated output from node website/scripts/generate-deps.js.

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