chore(package): update raw-loader to version 4.0.0

Closes #22

Author: greenkeeper[bot]

package.json

@@ -94,7 +94,7 @@
     "postcss": "^7.0.17",
     "postcss-strip-inline-comments": "^0.1.5",
     "pump": "^3.0.0",
-    "raw-loader": "^1.0.0",
+    "raw-loader": "^4.0.0",
     "rollup": "^1.14.6",
     "rollup-plugin-commonjs": "^9.2.0",
     "rollup-plugin-node-resolve": "^4.2.4",