fix: fix token clock skew issue

Author: twishabansal

packages/toolbox-core/src/toolbox_core/auth_methods.py

@@ -71,7 +71,7 @@ def _update_cache(new_token: str) -> None:
         # verify_oauth2_token not only decodes but also validates the token's
         # signature and claims against Google's public keys.
         # It's a synchronous, CPU-bound operation, safe for async contexts.
-        claims = id_token.verify_oauth2_token(new_token, Request())
+        claims = id_token.verify_oauth2_token(new_token, Request(), clock_skew_in_seconds=60)
 
         expiry_timestamp = claims.get("exp")
         if not expiry_timestamp: