chore(deps): update node.js to v21

This MR contains the following updates:

Package	Type	Update	Change
node	image	major	18 -> 21

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Release Notes

nodejs/node (node)

v21

Moved to doc/changelogs/CHANGELOG_V4.md#4.2.6.

v20

Moved to doc/changelogs/CHANGELOG_V012.md#0.12.14.

v19

Moved to doc/changelogs/CHANGELOG_IOJS.md#1.6.0.

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