ci: bump actions/setup-node from 4.0.2 to 4.0.3 #133

Job	Run time
build (examples/a_wild_card/)	2m 1s
build (examples/b_address_change/)	2m 0s
build (examples/c_check_all_addresses/)	2m 4s
build (examples/d_simple_logger/)	1m 56s
build (examples/e_continuous_measurement/)	2m 3s
build (examples/f_basic_data_request/)	2m 4s
build (examples/g_terminal_window/)	2m 3s
build (examples/h_SDI-12_slave_implementation/)	2m 3s
build (examples/i_SDI-12_interface/)	1m 48s
build (examples/j_external_pcint_library/)	1m 14s
build (examples/k_concurrent_logger/)	2m 4s
	21m 20s

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