fix: configure externals correctly

Author: logaretm

packages/nitro/rollup.npm.config.mjs

@@ -5,9 +5,8 @@ export default [
     makeBaseNPMConfig({
       entrypoints: ['src/index.ts', 'src/runtime/plugins/server.ts'],
       packageSpecificConfig: {
-        external: [/^nitro/],
+        external: [/^nitro/, 'otel-tracing-channel', /^h3/, /^srvx/],
       },
     }),
-    { emitCjs: false },
   ),
 ];