fix: packages/artifact/package.json & packages/artifact/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-OCTOKITREQUEST-8730853

Author: snyk-bot

packages/artifact/package-lock.json

@@ -41,7 +41,7 @@
   },
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "@actions/github": "^5.1.1",
+    "@actions/github": "^6.0.0",
     "@actions/http-client": "^2.1.0",
     "@azure/storage-blob": "^12.15.0",
     "@octokit/core": "^3.5.1",