meta: add nodejs/streams to CODEOWNERS

PR-URL: #35411
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

.github/CODEOWNERS

@@ -24,6 +24,13 @@
 /doc/guides/offboarding.md @nodejs/tsc
 /doc/guides/onboarding-extras.md @nodejs/tsc
 
+# streams
+
+/lib/_stream* @nodejs/streams
+/lib/stream.js @nodejs/streams
+/lib/stream/* @nodejs/streams
+/lib/internal/streams/* @nodejs/streams
+
 # net
 
 /deps/cares @nodejs/net