feat(deps): update dependency scratch-webpack-configuration to v3.1.0

Author: renovate[bot]

package-lock.json

@@ -103,7 +103,7 @@
     "scratch-l10n": "5.0.230",
     "scratch-render-fonts": "1.0.190",
     "scratch-semantic-release-config": "3.0.0",
-    "scratch-webpack-configuration": "3.0.0",
+    "scratch-webpack-configuration": "3.1.0",
     "script-loader": "0.7.2",
     "semantic-release": "19.0.5",
     "stats.js": "0.17.0",