chore(deps): update dependency webpack to v4.47.0

Author: renovate[bot]

package.json

@@ -110,7 +110,7 @@
     "serverless-webpack": "5.9.1",
     "sinon": "7.5.0",
     "sinon-chai": "3.7.0",
-    "webpack": "4.46.0",
+    "webpack": "4.47.0",
     "webpack-node-externals": "1.7.2"
   }
 }

yarn.lock

@@ -11620,10 +11620,10 @@ webpack-sources@^1.4.0, webpack-sources@^1.4.1:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.46.0:
-  version "4.46.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.46.0.tgz#bf9b4404ea20a073605e0a011d188d77cb6ad542"
-  integrity sha512-6jJuJjg8znb/xRItk7bkT0+Q7AHCYjjFnvKIWQPkNIOyRqoCGvkOs0ipeQzrqz4l5FtN5ZI/ukEHroeX/o1/5Q==
+webpack@4.47.0:
+  version "4.47.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.47.0.tgz#8b8a02152d7076aeb03b61b47dad2eeed9810ebc"
+  integrity sha512-td7fYwgLSrky3fI1EuU5cneU4+pbH6GgOfuKNS1tNPcfdGinGELAqsb/BP4nnvZyKSG2i/xFGU7+n2PvZA8HJQ==
   dependencies:
     "@webassemblyjs/ast" "1.9.0"
     "@webassemblyjs/helper-module-context" "1.9.0"