Update babel-plugin-ember-modules-api-polyfill to 2.6.0.

Adds `notifyPropertyChange` to `@ember/object` module.

Author: Robert Jackson

package.json

@@ -39,7 +39,7 @@
   "dependencies": {
     "amd-name-resolver": "1.2.0",
     "babel-plugin-debug-macros": "^0.2.0-beta.6",
-    "babel-plugin-ember-modules-api-polyfill": "^2.4.0",
+    "babel-plugin-ember-modules-api-polyfill": "^2.6.0",
     "babel-plugin-transform-es2015-modules-amd": "^6.24.0",
     "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.7.0",

yarn.lock

@@ -470,12 +470,19 @@ babel-plugin-debug-macros@^0.2.0-beta.6:
   dependencies:
     semver "^5.3.0"
 
-babel-plugin-ember-modules-api-polyfill@^2.3.0, babel-plugin-ember-modules-api-polyfill@^2.4.0:
+babel-plugin-ember-modules-api-polyfill@^2.3.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-ember-modules-api-polyfill/-/babel-plugin-ember-modules-api-polyfill-2.4.0.tgz#3db44fb214b56a1965f80b9f042ca1b6670559fb"
   dependencies:
     ember-rfc176-data "^0.3.4"
 
+babel-plugin-ember-modules-api-polyfill@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-ember-modules-api-polyfill/-/babel-plugin-ember-modules-api-polyfill-2.6.0.tgz#9524a65ef0c31ee82536a19c243fbaec1b977cbb"
+  integrity sha512-BSbLv3+ju1mcUUoPe7vPJgnGawrNxp6LfFBRHlNOKeMlQlml9Wo2MRRUrbpNDlmVc761xSKj8+cde7R0Lwpq7g==
+  dependencies:
+    ember-rfc176-data "^0.3.6"
+
 babel-plugin-htmlbars-inline-precompile@^0.2.5:
   version "0.2.5"
   resolved "https://registry.yarnpkg.com/babel-plugin-htmlbars-inline-precompile/-/babel-plugin-htmlbars-inline-precompile-0.2.5.tgz#7a7c37cf22c73fb57a1f828c76520f0360c5c5f3"
@@ -2202,6 +2209,11 @@ ember-rfc176-data@^0.3.1, ember-rfc176-data@^0.3.3, ember-rfc176-data@^0.3.4:
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.4.tgz#566fd3b7192d02a9a0bfe7e22bbaa4d3a1682e4a"
 
+ember-rfc176-data@^0.3.6:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/ember-rfc176-data/-/ember-rfc176-data-0.3.6.tgz#7138db8dfccec39c9a832adfbd4c49d670028907"
+  integrity sha512-kPY94VCukPUPj+/6sZ9KvphD42KnpX2IS31p5z07OFVIviDogR0cQuld5c7Irzfgq7a0YACj0HlToROFn7dLYQ==
+
 ember-router-generator@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/ember-router-generator/-/ember-router-generator-1.2.3.tgz#8ed2ca86ff323363120fc14278191e9e8f1315ee"