build(deps-dev): bump del from 6.1.1 to 8.0.0

Bumps [del](https://github.com/sindresorhus/del) from 6.1.1 to 8.0.0.
- [Release notes](https://github.com/sindresorhus/del/releases)
- [Commits](sindresorhus/del@v6.1.1...v8.0.0)

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

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

Author: dependabot[bot]

package-lock.json

@@ -246,7 +246,7 @@
     "chai-exclude": "^2.1.0",
     "chalk": "^4.1.1",
     "child-process-promise": "^2.2.1",
-    "del": "^6.0.0",
+    "del": "^8.0.0",
     "eslint": "^8.12.0",
     "firebase-token-generator": "^2.0.0",
     "gulp": "^5.0.0",