doc: fix history ordering of WASI constructor

PR-URL: #47611
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

doc/api/wasi.md

@@ -118,12 +118,12 @@ added:
  - v13.3.0
  - v12.16.0
 changes:
- - version: v20.0.0
-   pr-url: https://github.com/nodejs/node/pull/47391
-   description: The version option is now required and has no default value.
  - version: REPLACEME
    pr-url: https://github.com/nodejs/node/pull/47390
    description: default value of returnOnExit changed to true.
+ - version: v20.0.0
+   pr-url: https://github.com/nodejs/node/pull/47391
+   description: The version option is now required and has no default value.
  - version: v19.8.0
    pr-url: https://github.com/nodejs/node/pull/46469
    description: version field added to options.