Update dependency webpack to v4.47.0

Author: renovate[bot]

package.json

@@ -90,7 +90,7 @@
     "@types/react-dom": "17.0.9",
     "@types/rimraf": "3.0.2",
     "@types/wait-on": "5.3.1",
-    "@types/webpack": "4.41.27",
+    "@types/webpack": "4.41.34",
     "@types/webpack-dev-server": "3.11.6",
     "@types/webpack-node-externals": "2.5.2",
     "@types/yaml": "1.9.7",
@@ -131,7 +131,7 @@
     "tslib": "2.3.1",
     "typescript": "4.2.3",
     "wait-on": "5.3.0",
-    "webpack": "4.46.0",
+    "webpack": "4.47.0",
     "webpack-cli": "4.7.2",
     "webpack-dev-server": "3.11.2",
     "webpack-node-externals": "2.5.2"