chore(deps): bump webpack and webpack-cli

Bumps [webpack](https://github.com/webpack/webpack) and [webpack-cli](https://github.com/webpack/webpack-cli). These dependencies needed to be updated together.

Updates `webpack` from 4.47.0 to 5.97.1
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.47.0...v5.97.1)

Updates `webpack-cli` from 3.3.12 to 6.0.0
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/[email protected])

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: webpack-cli
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -23,8 +23,8 @@
     "react-lazyload": "^3.0.0",
     "react-scroll-up": "^1.3.3",
     "react_ujs": "^3.1.1",
-    "webpack": "^4.46.0",
-    "webpack-cli": "^3.3.12",
+    "webpack": "^5.97.1",
+    "webpack-cli": "^6.0.0",
     "webpack-dev-server": "^3"
   },
   "devDependencies": {