Bump yargs from 15.3.1 to 15.4.0 (#14234)

Bumps [yargs](https://github.com/yargs/yargs) from 15.3.1 to 15.4.0.
- [Release notes](https://github.com/yargs/yargs/releases)
- [Changelog](https://github.com/yargs/yargs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/yargs/yargs/compare/v15.3.1...v15.4.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -184,7 +184,7 @@
     "react-test-renderer": "^16.13.1",
     "sass-lint": "^1.13.1",
     "webpack-dev-server": "^3.11.0",
-    "yargs": "^15.3.1"
+    "yargs": "^15.4.0"
   },
   "resolutions": {
     "kind-of": "^6.0.3"