chore(deps): update dependency babel-preset-power-assert to v2

Author: renovate-bot

package.json

@@ -35,7 +35,7 @@
     "babel-cli": "6.26.0",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-jsdoc-to-assert": "4.0.0",
-    "babel-preset-power-assert": "1.0.0",
+    "babel-preset-power-assert": "2.0.0",
     "babel-register": "6.26.0",
     "eslint": "4.7.2",
     "mocha": "3.5.3",

yarn.lock

@@ -375,9 +375,9 @@ babel-plugin-empower-assert@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-empower-assert/-/babel-plugin-empower-assert-1.3.0.tgz#57f4f0286793e585154e7e3eab675440b922343c"
 
-babel-plugin-espower@^2.1.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/babel-plugin-espower/-/babel-plugin-espower-2.3.2.tgz#5516b8fcdb26c9f0e1d8160749f6e4c65e71271e"
+babel-plugin-espower@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-espower/-/babel-plugin-espower-2.4.0.tgz#9f92c080e9adfe73f69baed7ab3e24f649009373"
   dependencies:
     babel-generator "^6.1.0"
     babylon "^6.1.0"
@@ -618,12 +618,12 @@ babel-preset-jsdoc-to-assert@4.0.0:
   dependencies:
     babel-plugin-jsdoc-to-assert "^3.0.1"
 
-babel-preset-power-assert@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-power-assert/-/babel-preset-power-assert-1.0.0.tgz#cd77a38d9a5f8da85ae093d69fac7cde4d2e8089"
+babel-preset-power-assert@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-power-assert/-/babel-preset-power-assert-2.0.0.tgz#e49baadd38acee53225fa83a57c60705a1f250c9"
   dependencies:
     babel-plugin-empower-assert "^1.2.0"
-    babel-plugin-espower "^2.1.2"
+    babel-plugin-espower "^2.4.0"
 
 babel-register@6.26.0, babel-register@^6.26.0:
   version "6.26.0"