build(docs-infra): update the aio app to framework and cli 8.0.0-rc.1 (#30183)

I updated the payload size limits as well. There still seem to be size regressions in the framework,
but at least the polyfills now uses the evergreen build of zones so we shaved off a few KB there.

PR Close #30183

aio/scripts/_payload-limits.json

@@ -4,10 +4,10 @@
       "uncompressed": {
         "runtime-es5": 2980,
         "runtime-es2015": 2986,
-        "main-es5": 501356,
-        "main-es2015": 440336,
-        "polyfills-es5": 128751,
-        "polyfills-es2015": 59557
+        "main-es5": 506014,
+        "main-es2015": 444619,
+        "polyfills-es5": 128922,
+        "polyfills-es2015": 53257
       }
     }
   }