chore(deps): update dependency babel-loader to v8

Author: renovate-bot

package.json

@@ -78,7 +78,7 @@
         "babel-eslint": "^10.0.1",
         "babel-helper-vue-jsx-merge-props": "^2.0.3",
         "babel-jest": "^23.6.0",
-        "babel-loader": "^7.1.2",
+        "babel-loader": "^8.0.0",
         "babel-plugin-import": "^1.1.1",
         "babel-plugin-inline-import-data-uri": "^1.0.1",
         "babel-plugin-istanbul": "^4.1.1",