meta: enable wasi for CODEOWNERS

PR-URL: #34889
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Mary Marchini <oss@mmarchini.me>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>

Author: gengjiawen

.github/CODEOWNERS

@@ -88,3 +88,11 @@
 /src/js_native_api* @nodejs/n-api
 /doc/guides/adding-new-napi-api.md @nodejs/n-api
 /doc/api/n-api.md @nodejs/n-api
+
+# WASI
+/deps/uvwasi/ @nodejs/wasi
+/doc/api/wasi.md @nodejs/wasi
+/lib/wasi.js @nodejs/wasi
+/src/node_wasi* @nodejs/wasi
+/test/wasi/ @nodejs/wasi
+/test/fixtures/wasi/ @nodejs/wasi