fix(deps): update dependency openid-client to v6

Author: renovate[bot]

package-lock.json

@@ -37,7 +37,7 @@
     "@napi-rs/keyring": "^1.1.8",
     "express": "^5.1.0",
     "open": "^11.0.0",
-    "openid-client": "^5",
+    "openid-client": "^6.0.0",
     "yargs": "^17.7.2",
     "zod": "^4.0.5"
   },