Update dependency babel-loader to v10

Author: renovate[bot]

package-lock.json

@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "babel-core": "^6.26.3",
-    "babel-loader": "^8.1.0",
+    "babel-loader": "^10.0.0",
     "webpack": "^4.46.0",
     "webpack-cli": "^3.3.12",
     "webpack-dev-server": "^3.11.0"