chore(deps): update dependency rollup-plugin-babel to v4.0.0-beta.8 (#56)

Author: renovate[bot]

package.json

@@ -50,7 +50,7 @@
     "puppeteer": "1.6.2",
     "rimraf": "2.6.2",
     "rollup": "0.63.5",
-    "rollup-plugin-babel": "4.0.0-beta.7",
+    "rollup-plugin-babel": "4.0.0-beta.8",
     "rollup-plugin-commonjs": "9.1.4",
     "rollup-plugin-node-resolve": "3.3.0",
     "rollup-plugin-replace": "2.0.0",

yarn.lock

@@ -121,13 +121,6 @@
   dependencies:
     "@babel/types" "7.0.0-beta.56"
 
-"@babel/helper-module-imports@7.0.0-beta.51":
-  version "7.0.0-beta.51"
-  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.51.tgz#ce00428045fbb7d5ebc0ea7bf835789f15366ab2"
-  dependencies:
-    "@babel/types" "7.0.0-beta.51"
-    lodash "^4.17.5"
-
 "@babel/helper-module-imports@7.0.0-beta.56":
   version "7.0.0-beta.56"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0-beta.56.tgz#edf9494ef1f36674bb19cec9ea142b70f186406d"
@@ -562,14 +555,6 @@
     globals "^11.1.0"
     lodash "^4.17.10"
 
-"@babel/types@7.0.0-beta.51":
-  version "7.0.0-beta.51"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.51.tgz#d802b7b543b5836c778aa691797abf00f3d97ea9"
-  dependencies:
-    esutils "^2.0.2"
-    lodash "^4.17.5"
-    to-fast-properties "^2.0.0"
-
 "@babel/types@7.0.0-beta.56":
   version "7.0.0-beta.56"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.56.tgz#df456947a82510ec30361971e566110d89489056"
@@ -5985,11 +5970,11 @@ rimraf@2, rimraf@2.6.2, rimraf@^2.5.2, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6
   dependencies:
     glob "^7.0.5"
 
-rollup-plugin-babel@4.0.0-beta.7:
-  version "4.0.0-beta.7"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-4.0.0-beta.7.tgz#8c38a685f8009fc6fbf1d31597cb3c5f8060caf5"
+rollup-plugin-babel@4.0.0-beta.8:
+  version "4.0.0-beta.8"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-4.0.0-beta.8.tgz#6dac37d8e285ba8f7feb5aaafd99c78d7363a001"
   dependencies:
-    "@babel/helper-module-imports" "7.0.0-beta.51"
+    "@babel/helper-module-imports" "7.0.0-beta.56"
     rollup-pluginutils "^2.3.0"
 
 rollup-plugin-commonjs@9.1.4: