Bump @types/randomcolor from 0.5.5 to 0.5.6 (#3608)

Bumps [@types/randomcolor](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/randomcolor) from 0.5.5 to 0.5.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/randomcolor)

---
updated-dependencies:
- dependency-name: "@types/randomcolor"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

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

package.json

@@ -291,7 +291,7 @@
     "@types/npm": "^2.0.31",
     "@types/progress-bar-webpack-plugin": "^2.1.2",
     "@types/proper-lockfile": "^4.1.1",
-    "@types/randomcolor": "^0.5.5",
+    "@types/randomcolor": "^0.5.6",
     "@types/react": "^17.0.0",
     "@types/react-beautiful-dnd": "^13.1.1",
     "@types/react-dom": "^17.0.6",