Measure bundlesize using @apollo/client root package again.

We temporarily relaxed the bundlesize limit to include only
`@apollo/client/core` during development of Apollo Client v3.4, in part
because `QueryData` and other React-related infrastructure were
unnecessarily verbose, as you can see from the jump in bundlesize from
24.7kB to 28.4kB because of this commit.

However, @brainkim refactored the React abstractions in #8596 🎉,
eliminating `QueryData` and related classes once and for all, so I now
feel much better about including `@apollo/client/react` in the
bundlesize calculation again.

config/rollup.config.js

@@ -127,16 +127,7 @@ export default [
     './dist/index.js',
     './dist/apollo-client.cjs.js',
   ),
-  // The bundlesize check configured in package.json reflects the total size of
-  // @apollo/client/core (note the /core), rather than @apollo/client, which
-  // currently includes React-related exports that may not be used by all
-  // consumers. We are planning to confine those React exports to
-  // @apollo/client/react in AC4 (see issue #8190).
-  prepareCJS(
-    './dist/core/index.js',
-    './dist/apollo-core.cjs.js',
-  ),
   prepareCJSMinified(
-    './dist/apollo-core.cjs.js',
+    './dist/apollo-client.cjs.js',
   ),
 ];

package.json

@@ -54,8 +54,8 @@
   "bundlesize": [
     {
       "name": "apollo-client",
-      "path": "./dist/apollo-core.cjs.min.js",
-      "maxSize": "24.7 kB"
+      "path": "./dist/apollo-client.cjs.min.js",
+      "maxSize": "28.4 kB"
     }
   ],
   "engines": {