Bump webpack from 4.46.0 to 4.47.0 in /sourcecode/www

Bumps [webpack](https://github.com/webpack/webpack) from 4.46.0 to 4.47.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.46.0...v4.47.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

sourcecode/www/package.json

@@ -51,7 +51,7 @@
     "mini-css-extract-plugin": "^0.12.0",
     "razzle": "^4.2.18",
     "razzle-dev-utils": "^4.2.18",
-    "webpack": "^4.44.1",
+    "webpack": "^4.47.0",
     "webpack-dev-server": "^3.11.2"
   },
   "browserslist": {

sourcecode/www/yarn.lock

@@ -10708,10 +10708,10 @@ webpack-sources@^2.2.0:
     source-list-map "^2.0.1"
     source-map "^0.6.1"
 
-webpack@^4.44.1:
-  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"