fix: update import of FederatedIdentityError in example

README.md

@@ -65,7 +65,7 @@ EXPECTED_AUDIENCE_CLAIM = "https://my-service.example.com"
 def verify_gitlab_token(token: str) -> dict[str, Any]:
     """
     Verify an OIDC token from GitLab and return the dictionary of claims. Raises
-    federatedidentity.FederatedIdentityError if the token failed verification.
+    federatedidentity.exceptions.FederatedIdentityError if the token failed verification.
     """
     return verify_id_token(
         token,