Use new OAuth endpoints

Author: Bre77

tesla_fleet_api/tesla/oauth.py

@@ -60,7 +60,7 @@ async def get_refresh_token(self, code: str) -> None:
             self.server = SERVERS.get(self.region)
 
         async with self.session.post(
-            "https://auth.tesla.com/oauth2/v3/token",
+            "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/token",
             data={
                 "grant_type": "authorization_code",
                 "client_id": self.client_id,
@@ -89,7 +89,7 @@ async def refresh_access_token(self) -> dict[str, Any]:
         if not self.refresh_token:
             raise ValueError("Refresh token is missing")
         async with self.session.post(
-            "https://auth.tesla.com/oauth2/v3/token",
+            "https://fleet-auth.prd.vn.cloud.tesla.com/oauth2/v3/token",
             data={
                 "grant_type": "refresh_token",
                 "client_id": self.client_id,