chore: use node v22 on netlify (#7245)

Author: iiio2

netlify.toml

@@ -4,7 +4,7 @@ command = "pnpm ci:docs"
 ignore = "git diff --quiet $CACHED_COMMIT_REF $COMMIT_REF docs/ package.json pnpm-lock.yaml"
 
 [build.environment]
-NODE_VERSION = "20"
+NODE_VERSION = "22"
 # don't need playwright for docs build
 PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD = "1"