add missing pckg rimraf for hardhat-ledger

Author: ChristopherDedominici

packages/hardhat-ledger/package.json

@@ -68,6 +68,7 @@
     "mocha": "^10.0.0",
     "nyc": "^15.1.0",
     "prettier": "2.4.1",
+    "rimraf": "^3.0.2",
     "sinon": "^9.2.4",
     "ts-node": "^10.8.0",
     "typescript": "~5.0.0"