Update function name in token getRoles

src/Oidc/Token.php

@@ -291,7 +291,7 @@ class Token
 	 */
 	public function getRoles(): array
 	{
-		return $this->getTokenData()['realm_access']['roles'];
+		return $this->getAccessTokenData()['realm_access']['roles'];
 	}
 
 	/**