build: add all used babel plugins to bazel BUILD file

Author: clydin

package.json

@@ -83,6 +83,7 @@
     "@babel/generator": "7.15.8",
     "@babel/helper-annotate-as-pure": "7.15.4",
     "@babel/plugin-proposal-async-generator-functions": "7.15.8",
+    "@babel/plugin-transform-async-to-generator": "7.14.5",
     "@babel/plugin-transform-runtime": "7.15.8",
     "@babel/preset-env": "7.15.8",
     "@babel/runtime": "7.15.4",

packages/angular_devkit/build_angular/BUILD.bazel

@@ -107,6 +107,8 @@ ts_library(
         "@npm//@angular/service-worker",
         "@npm//@babel/core",
         "@npm//@babel/helper-annotate-as-pure",
+        "@npm//@babel/plugin-proposal-async-generator-functions",
+        "@npm//@babel/plugin-transform-async-to-generator",
         "@npm//@babel/plugin-transform-runtime",
         "@npm//@babel/preset-env",
         "@npm//@babel/runtime",