PX4 update: export px4 binaries to temp dir #1535

Job	Run time
variables	1s
fc_matrix (fmu-v6xrt) / build	6m 40s
fc_matrix (pixhawk) / build	5m 58s
fc_matrix (saluki-nxp93_flat) / build	5m 32s
fc_matrix (saluki-pi_default) / build	9m 5s
fc_matrix (saluki-pi_amp) / build	9m 8s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	8m 43s
fc_matrix (saluki-pi_flat) / build	6m 24s
fc_matrix (saluki-v2_amp) / build	8m 44s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	8m 42s
fc_matrix (saluki-v2_default) / build	9m 0s
fc_matrix (saluki-v2_flat) / build	6m 45s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	9m 6s
fc_matrix (saluki-v3_amp) / build	8m 52s
fc_matrix (saluki-v3_default) / build	9m 8s
fc_matrix (saluki-v3_flat) / build	6m 27s
build px4fwupdater	2m 22s
upload px4fwupdater to docker registry	2m 0s
upload builds to UAE artifactory	3m 26s
upload px4fwupdater to UAE docker registry	0s
	2h 6m 3s

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