fix: retry GitHub API requests on transient errors

package.json

@@ -31,6 +31,7 @@
     "@actions/core": "^1.10.0",
     "@actions/exec": "^1.1.1",
     "@actions/github": "6.0.0",
+    "@octokit/plugin-retry": "^6.1.0",
     "picomatch": "^2.3.1"
   },
   "devDependencies": {