Do not expect GITHUB_TOKEN to be set or valid (#262)

This fixes issues with GHES

Fixes: #221

package.json

@@ -26,11 +26,12 @@
     "@actions/cache": "^4.0.0",
     "@actions/core": "^1.11.1",
     "@actions/exec": "^1.1.1",
-    "@actions/github": "^6.0.0",
     "@actions/glob": "^0.5.0",
     "@actions/io": "^1.1.3",
     "@actions/tool-cache": "^2.0.2",
-    "@octokit/rest": "^21.1.0",
+    "@octokit/core": "^6.1.3",
+    "@octokit/plugin-paginate-rest": "^11.4.0",
+    "@octokit/plugin-rest-endpoint-methods": "^13.3.0",
     "smol-toml": "^1.3.1"
   },
   "devDependencies": {