at_client: Increase stack size
Got stack overflow in test automation for Espressif so we need a little
more stack.
@@ -339,7 +339,7 @@ extern "C" {
* which seems to require around twice the stack of NRF52
* or STM32F4.
*/
-# define U_AT_CLIENT_CALLBACK_TASK_STACK_SIZE_BYTES 1536
+# define U_AT_CLIENT_CALLBACK_TASK_STACK_SIZE_BYTES 2048
#endif
#ifndef U_AT_CLIENT_CALLBACK_TASK_PRIORITY
