Add minimal Skynode RC13 config to the PAB manifest #22558

Job	Run time
build (check_format)	1m 9s
build (tests)	5m 34s
build (tests_coverage)	7m 0s
build (px4_fmu-v2_default stack_check)	3m 11s
build (validate_module_configs)	52s
build (shellcheck_all)	1m 34s
build (NO_NINJA_BUILD=1 px4_fmu-v5_default)	3m 58s
build (NO_NINJA_BUILD=1 px4_sitl_default)	3m 9s
build (airframe_metadata)	1m 16s
build (module_documentation)	1m 4s
build (parameters_metadata)	1m 14s
	30m 1s

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