Merge pull request #80 from geostyler/greenkeeper/initial

Update dependencies to enable Greenkeeper 🌴

Author: KaiVolland

package-lock.json

@@ -55,7 +55,7 @@
     "jest": "^24.8.0",
     "np": "^5.0.3",
     "terser-webpack-plugin": "^2.0.0",
-    "ts-loader": "^5.3.3",
+    "ts-loader": "^6.2.0",
     "tslint": "^5.16.0",
     "typescript": "^3.4.5",
     "webpack": "^4.35.2",