tests: logger-hook: increase ztest stack size

We are getting stack corruption on some platforms, so increase stack to
allow the test to run.

Fixes zephyrproject-rtos#8085

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

tests/subsys/logging/logger-hook/prj.conf

@@ -3,3 +3,4 @@ CONFIG_SYS_LOG=y
 CONFIG_SYS_LOG_DEFAULT_LEVEL=3
 CONFIG_SYS_LOG_EXT_HOOK=y
 CONFIG_ZTEST=y
+CONFIG_ZTEST_STACKSIZE=2048