Update dependency rimraf to v6

Author: renovate[bot]

package.json

@@ -38,7 +38,7 @@
     "jest": "^24.8.0",
     "redux": "^4.0.4",
     "redux-mock-store": "^1.3.0",
-    "rimraf": "^2.5.4"
+    "rimraf": "^6.0.0"
   },
   "dependencies": {
     "lodash": "^4.17.10",