feat(core): upgrade rxjs to 6.0.0-alpha.4 (#22573)

PR Close #22573

integration/dynamic-compiler/rollup.config.js

@@ -1,5 +1,4 @@
 import nodeResolve from 'rollup-plugin-node-resolve';
-import commonjs from 'rollup-plugin-commonjs';
 
 export default {
   entry: 'dist/src/main.js',
@@ -7,11 +6,6 @@ export default {
   treeshake: true,
   moduleName: 'main',
   plugins: [
-    commonjs({
-      include: 'node_modules/**'
-    }),
-    nodeResolve({
-      jsnext: true, main: true, module: true
-    })
+    nodeResolve()
   ]
 };