Update Node.js to v26.8.1

[renovate]

This PR contains the following updates:

Package	Update	Change
node (source)	minor	26.7.0 → 26.8.1

This changes the Node version CI runs on, not just a local hint. Run pnpm run verify locally on the proposed version before merging.

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Release Notes

nodejs/node (node)

v26.8.1: 2026-08-26, Version 26.8.1 (Current), @​aduh95

Compare Source

Notable Changes

Out-of-band release to fix node --version which was reporting an alpha version.

Commits

• [ebd35a9eec] - src: revert accidental alpha designation (Antoine du Hamel) #​65568
• [0b0dd87fcc] - tools: fix tools/nix/list-requisites.sh (Antoine du Hamel) #​65560

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[claude]

Code review

No issues found. Checked for bugs and CLAUDE.md compliance.