doc: recommend erasableSyntaxOnly in ts docs

TypeScript 5.8 is now released which adds a new tsconfig flag that
aligns with Node's default behavior.

https://www.typescriptlang.org/tsconfig/#erasableSyntaxOnly

Two weeks ago this options was added to the recommended TSConfig for
Node which resides in the tsconfig/bases project.

https://github.com/tsconfig/bases/blob/main/bases/node-ts.json
PR-URL: #57271
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Zeyu "Alex" Yang <himself65@outlook.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Qingyu Deng <i@ayase-lab.com>

Author: robpalme

doc/api/typescript.md

@@ -76,15 +76,15 @@ generation, and by replacing inline types with whitespace, Node.js can run
 TypeScript code without the need for source maps.
 
 Type stripping is compatible with most versions of TypeScript
-but we recommend version 5.7 or newer with the following `tsconfig.json` settings:
+but we recommend version 5.8 or newer with the following `tsconfig.json` settings:
 
 ```json
 {
   "compilerOptions": {
      "target": "esnext",
      "module": "nodenext",
-     "allowImportingTsExtensions": true,
      "rewriteRelativeImportExtensions": true,
+     "erasableSyntaxOnly": true,
      "verbatimModuleSyntax": true
   }
 }