fmu-v6xrt: Increase lpwork stack size #22517

Job	Run time
build (check_format)	1m 3s
build (tests)	6m 5s
build (tests_coverage)	7m 19s
build (px4_fmu-v2_default stack_check)	3m 25s
build (validate_module_configs)	52s
build (shellcheck_all)	1m 41s
build (NO_NINJA_BUILD=1 px4_fmu-v5_default)	4m 11s
build (NO_NINJA_BUILD=1 px4_sitl_default)	3m 14s
build (airframe_metadata)	1m 5s
build (module_documentation)	1m 4s
build (parameters_metadata)	1m 8s
	31m 7s

Provide feedback