Update ember-rfc176-data to add Helper Manager APIs.

Adds Helper Manager and `invokeHelper` APIs from emberjs/rfcs#625 and
emberjs/rfcs#626.

Author: Robert Jackson

package.json

@@ -28,7 +28,7 @@
     "test": "jest"
   },
   "dependencies": {
-    "ember-rfc176-data": "^0.3.15"
+    "ember-rfc176-data": "^0.3.16"
   },
   "devDependencies": {
     "@babel/core": "^7.11.5",

yarn.lock

@@ -2470,10 +2470,10 @@ electron-to-chromium@^1.3.413:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.453.tgz#758a8565a64b7889b27132a51d2abb8b135c9d01"
   integrity sha512-IQbCfjJR0NDDn/+vojTlq7fPSREcALtF8M1n01gw7nQghCtfFYrJ2dfhsp8APr8bANoFC8vRTFVXMOGpT0eetw==
 
-ember-rfc176-data@^0.3.15:
-  version "0.3.15"
-  resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.15.tgz#af3f1da5a0339b6feda380edc2f7190e0f416c2d"
-  integrity sha512-GPKa7zRDBblRy0orxTXt5yrpp/Pf5CkuRFSIR8qMFDww0CqCKjCRwdZnWYzCM4kAEfZnXRIDDefe1tBaFw7v7w==
+ember-rfc176-data@^0.3.16:
+  version "0.3.16"
+  resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.16.tgz#2ace0ac9cf9016d493a74a1d931643a308679803"
+  integrity sha512-IYAzffS90r2ybAcx8c2qprYfkxa70G+/UPkxMN1hw55DU5S2aLOX6v3umKDZItoRhrvZMCnzwsdfKSrKdC9Wbg==
 
 emoji-regex@^7.0.1:
   version "7.0.3"