fix: packages/plugin-assets/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116

Author: snyk-bot

packages/plugin-assets/package.json

@@ -19,8 +19,8 @@
     "@oclif/plugin-help": "^5.1.12",
     "@oclif/test": "^1.2.5",
     "@twilio/cli-test": "^2.1.1",
-    "oclif": "^3",
-    "rimraf": "^3.0.2"
+    "oclif": "^4.0.0",
+    "rimraf": "^4.0.0"
   },
   "engines": {
     "node": ">=14"