chore(deps): update dependency file-loader to v5 (#491)

Author: renovate[bot]

package-lock.json

@@ -63,7 +63,7 @@
     "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-standard": "4.0.1",
     "eslint-plugin-vue": "6.0.1",
-    "file-loader": "4.3.0",
+    "file-loader": "5.0.2",
     "html-loader": "0.5.5",
     "html-webpack-plugin": "3.2.0",
     "jest": "24.9.0",