Bump webpack from 4.42.1 to 4.43.0

Bumps [webpack](https://github.com/webpack/webpack) from 4.42.1 to 4.43.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.42.1...v4.43.0)

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

package.json

@@ -64,7 +64,7 @@
     "ts-loader": "^7.0.1",
     "typescript": "3.8",
     "utf8": "^3.0.0",
-    "webpack": "^4.35.3",
+    "webpack": "^4.43.0",
     "webpack-cli": "^3.3.11",
     "ws": "^7.0.0",
     "xterm-benchmark": "^0.1.3"