Bump webpack from 4.26.0 to 4.26.1 in /js

Bumps [webpack](https://github.com/webpack/webpack) from 4.26.0 to 4.26.1.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.26.0...v4.26.1)

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

js/package-lock.json

@@ -6751,9 +6751,9 @@
       }
     },
     "webpack": {
-      "version": "4.26.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.26.0.tgz",
-      "integrity": "sha512-J/dP9SJIc5OtX2FZ/+U9ikQtd6H6Mcbqt0xeXtmPwYGDKf8nkbOQQA9KL2Y0rJOsN1Al9Pdn+/j63X58ub8gvQ==",
+      "version": "4.26.1",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.26.1.tgz",
+      "integrity": "sha512-i2oOvEvuvLLSuSCkdVrknaxAhtUZ9g+nLSoHCWV0gDzqGX2DXaCrMmMUpbRsTSSLrUqAI56PoEiyMUZIZ1msug==",
       "dev": true,
       "requires": {
         "@webassemblyjs/ast": "1.7.11",

js/package.json

@@ -30,7 +30,7 @@
     "karma": "^3.1.1",
     "mini-css-extract-plugin": "^0.4.5",
     "uglifyjs-webpack-plugin": "^2.0.1",
-    "webpack": "^4.26.0",
+    "webpack": "^4.26.1",
     "webpack-cli": "^3.1.2",
     "webpack-merge": "^4.1.4"
   },