chore(package): update rollup-plugin-license to version 0.8.0

Closes #57

Author: greenkeeper[bot]

package.json

@@ -86,7 +86,7 @@
     "rollup-plugin-commonjs": "^9.0.0",
     "rollup-plugin-filesize": "^1.5.0",
     "rollup-plugin-json": "^2.3.0",
-    "rollup-plugin-license": "^0.6.0",
+    "rollup-plugin-license": "^0.8.0",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-uglify": "^3.0.0",