DOC-3030: Updated endpoint redirection link with appropriate TigerGraph version [1.8]

Author: Tushar-TG-14

modules/core-functions/pages/auth.adoc

@@ -116,10 +116,9 @@ error occurred.
 ==== Endpoint:
 - `POST /requesttoken` (In TigerGraph versions 3.x)
  +
-See https://docs.tigergraph.com/tigergraph-server/current/api/built-in-endpoints#_request_a_token[this] for more details.
+See xref:3.11@tigergraph-server:API:built-in-endpoints.adoc#_request_a_token[this] for more details.
 - `POST /gsql/v1/tokens` (In TigerGraph versions 4.x)
 
-
 === refreshToken()
 `refreshToken(secret: str = None, setToken: bool = True, lifetime: int = None, token: str = None) -> Union[Tuple[str, str], str]`
 
@@ -163,7 +162,7 @@ Not avaliable on TigerGraph version 4.x
 ==== Endpoint:
 - `PUT /requesttoken`
  +
-See https://docs.tigergraph.com/tigergraph-server/current/api/built-in-endpoints#_refresh_a_token[this] for more details.
+See xref:3.11@tigergraph-server:API:built-in-endpoints.adoc#_refresh_a_token[this] for more details.
 
 
 === deleteToken()
@@ -199,7 +198,7 @@ occurred, for example if the specified token does not exist.
 ==== Endpoint:
 - `DELETE /requesttoken` (In TigerGraph version 3.x)
  +
-See https://docs.tigergraph.com/tigergraph-server/current/api/built-in-endpoints#_delete_a_token[this] for more details.
+See xref:3.11@tigergraph-server:API:built-in-endpoints.adoc#_delete_a_token[this] for more details.
 - `DELETE /gsql/v1/tokens` (In TigerGraph version 4.x)