Add custom_claims fields, as catch-all to support any zitadel custom …

…claims, a user could set using Action

Cargo.toml

@@ -147,7 +147,7 @@ proto_full = ["zitadel-action-v1","zitadel-admin-v1","zitadel-app-v1","zitadel-a
 actix-web = { version = "4.5.1", optional = true }
 async-trait = { version = "0.1.80", optional = true }
 axum = { version = "0.8.0", optional = true, features = ["macros"] }
-axum-extra = { version = "0.11.0", optional = true, features = ["typed-header"] }
+axum-extra = { version = "0.10.0", optional = true, features = ["typed-header"] } #0.11.0 is yanked
 base64-compat = { version = "1", optional = true }
 custom_error = "1.9.2"
 document-features = { version = "0.2.8", optional = true }

src/oidc/introspection/mod.rs

@@ -12,7 +12,7 @@ use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::error::Error;
 use std::fmt::{Debug, Display};
-
+use serde_json::Value as JsonValue;
 use crate::credentials::{Application, ApplicationError};
 
 #[cfg(feature = "introspection_cache")]
@@ -86,6 +86,8 @@ pub struct ZitadelIntrospectionExtraTokenFields {
     pub project_roles: Option<HashMap<String, HashMap<String, String>>>,
     #[serde(rename = "urn:zitadel:iam:user:metadata")]
     pub metadata: Option<HashMap<String, String>>,
+    #[serde(flatten)]
+    custom_claims: HashMap<String, JsonValue>
 }
 
 impl ExtraTokenFields for ZitadelIntrospectionExtraTokenFields {}