meta: add startup team in CODEOWNERS

PR-URL: nodejs#35406
Fixes: nodejs#35215
Reviewed-By: Daniel Bevenius <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Jiawen Geng <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Shelley Vohr <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>
Reviewed-By: Khaidi Chu <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: James M Snell <[email protected]>

.github/CODEOWNERS

@@ -107,3 +107,13 @@
 /src/node_wasi* @nodejs/wasi
 /test/wasi/ @nodejs/wasi
 /test/fixtures/wasi/ @nodejs/wasi
+
+# Startup
+
+/benchmark/misc/startup.js @nodejs/startup
+/src/node.cc @nodejs/startup
+/src/node_code_cache_stub.cc @nodejs/startup
+/src/node_native_module* @nodejs/startup
+/lib/internal/bootstrap/* @nodejs/startup
+/tools/code_cache/* @nodejs/startup
+/tools/snapshot/* @nodejs/startup