chore(deps-dev): bump del from 5.1.0 to 6.0.0

Bumps [del](https://github.com/sindresorhus/del) from 5.1.0 to 6.0.0.
- [Release notes](https://github.com/sindresorhus/del/releases)
- [Commits](https://github.com/sindresorhus/del/compare/v5.1.0...v6.0.0)

---
updated-dependencies:
- dependency-name: del
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

packages/cli/package.json

@@ -141,7 +141,7 @@
     "@types/webpack": "^4.41.7",
     "@types/webpack-dev-server": "^3.11.0",
     "@types/yarnpkg__lockfile": "^1.1.4",
-    "del": "^5.1.0",
+    "del": "^6.0.0",
     "mock-fs": "^4.13.0",
     "nodemon": "^2.0.2",
     "ts-node": "^9.1.1"