Bump deep-equal from 2.0.3 to 2.0.4

Bumps [deep-equal](https://github.com/inspect-js/node-deep-equal) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/inspect-js/node-deep-equal/releases)
- [Changelog](https://github.com/inspect-js/node-deep-equal/blob/master/CHANGELOG.md)
- [Commits](https://github.com/inspect-js/node-deep-equal/compare/v2.0.3...v2.0.4)

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

package.json

@@ -46,7 +46,7 @@
     "@typescript-eslint/eslint-plugin": "^4.0.0",
     "@typescript-eslint/parser": "^3.10.1",
     "chai": "^4.2.0",
-    "deep-equal": "^2.0.3",
+    "deep-equal": "^2.0.4",
     "eslint": "^7.10.0",
     "express": "^4.17.1",
     "express-ws": "^4.0.0",