docs: align bootstrap plan with Node 22 baseline

Author: vitry

docs/superpowers/plans/2026-08-07-plugin-data-root-bootstrap.md

@@ -6,7 +6,7 @@
 
 **Architecture:** Introduce a focused plugin-data path resolver, use it at every companion and hook entry point, and extend setup's existing Codex app-server configuration transaction to preserve and add the required writable root before any state write. Installed cache identity determines the marketplace-qualified namespace; source checkouts use an unqualified development namespace.
 
-**Tech Stack:** Node.js 18.18+ ESM, Codex app-server JSONL configuration API, Node built-in test runner, JSDoc/TypeScript checking, ESLint.
+**Tech Stack:** Node.js 22.13+ ESM, Codex app-server JSONL configuration API, Node built-in test runner, JSDoc/TypeScript checking, ESLint.
 
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