build(docs-infra): upgrade @angular/cli to 8.1.0-beta.2 (#31137)

PR Close #31137

aio/package.json

@@ -93,8 +93,8 @@
     "zone.js": "^0.9.1"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "0.800.2",
-    "@angular/cli": "8.0.2",
+    "@angular-devkit/build-angular": "0.801.0-beta.2",
+    "@angular/cli": "8.1.0-beta.2",
     "@angular/compiler": "^8.1.0-next.1",
     "@angular/compiler-cli": "^8.1.0-next.1",
     "@angular/language-service": "^8.1.0-next.1",

aio/scripts/_payload-limits.json

@@ -2,36 +2,36 @@
   "aio": {
     "master": {
       "uncompressed": {
-        "runtime-es5": 3005,
-        "runtime-es2015": 3011,
-        "main-es5": 511054,
-        "main-es2015": 450560,
-        "polyfills-es5": 129161,
-        "polyfills-es2015": 53295
+        "runtime-es5": 3042,
+        "runtime-es2015": 3048,
+        "main-es5": 511036,
+        "main-es2015": 450486,
+        "polyfills-es5": 130136,
+        "polyfills-es2015": 52931
       }
     }
   },
   "aio-local": {
     "master": {
       "uncompressed": {
-        "runtime-es5": 3005,
-        "runtime-es2015": 3011,
-        "main-es5": 511054,
-        "main-es2015": 450560,
-        "polyfills-es5": 129161,
-        "polyfills-es2015": 53295
+        "runtime-es5": 3042,
+        "runtime-es2015": 3048,
+        "main-es5": 511036,
+        "main-es2015": 450486,
+        "polyfills-es5": 130136,
+        "polyfills-es2015": 52931
       }
     }
   },
   "aio-local-ivy": {
     "master": {
       "uncompressed": {
-        "runtime-es5": 2895,
-        "runtime-es2015": 2901,
-        "main-es5": 564586,
-        "main-es2015": 582731,
-        "polyfills-es5": 129161,
-        "polyfills-es2015": 53295
+        "runtime-es5": 2932,
+        "runtime-es2015": 2938,
+        "main-es5": 565073,
+        "main-es2015": 583108,
+        "polyfills-es5": 130136,
+        "polyfills-es2015": 52931
       }
     }
   }