Bump webpack from 4.16.1 to 4.16.3 in /js

Bumps [webpack](https://github.com/webpack/webpack) from 4.16.1 to 4.16.3.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.16.1...v4.16.3)

Signed-off-by: dependabot[bot] <support@dependabot.com>

js/package-lock.json

@@ -8465,9 +8465,9 @@
       }
     },
     "webpack": {
-      "version": "4.16.1",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.16.1.tgz",
-      "integrity": "sha512-6jpzObU18y7lXDJz7XCLvzgrqcJ0rZ2jhKvnTivza9gM2GvPW93xxtmEll2GgmdC0zVQAtbHrH/9BtyMjSDZfA==",
+      "version": "4.16.3",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.16.3.tgz",
+      "integrity": "sha512-3VcrVoFgzSz1IYgga71YpU3HO89Al5bSnDOj9RJQPsy+FNyI1sFsUyJITn3pktNuaRBlQT0usvKZE3GgkPGAIw==",
       "dev": true,
       "requires": {
         "@webassemblyjs/ast": "1.5.13",
@@ -8495,19 +8495,6 @@
         "uglifyjs-webpack-plugin": "^1.2.4",
         "watchpack": "^1.5.0",
         "webpack-sources": "^1.0.1"
-      },
-      "dependencies": {
-        "enhanced-resolve": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
-          "integrity": "sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "memory-fs": "^0.4.0",
-            "tapable": "^1.0.0"
-          }
-        }
       }
     },
     "webpack-cli": {

js/package.json

@@ -28,7 +28,7 @@
     "karma": "^2.0.4",
     "mini-css-extract-plugin": "^0.4.1",
     "node-sass": "^4.9.2",
-    "webpack": "^4.16.1",
+    "webpack": "^4.16.3",
     "webpack-cli": "^3.1.0",
     "webpack-merge": "^4.1.3"
   },