Update dependency rimraf to v6

Author: renovate[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "codelyzer": "^6.0.2",
     "mochawesome": "^7.1.3",
     "npm-check-updates": "^16.5.6",
-    "rimraf": "^5.0.0",
+    "rimraf": "^6.0.0",
     "rxjs": "^7.6.0",
     "tslint": "^5.20.1",
     "typings": "^2.1.1",