WIP: DO NOT MERGE: Try fix open max fds #1999

Job	Run time
variables	1s
fc_matrix (saluki-nxp93_default) / build	7m 51s
fc_matrix (saluki-nxp93_flat) / build	5m 54s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	9m 5s
fc_matrix (saluki-pi_amp) / build	9m 3s
fc_matrix (saluki-pi_default) / build	9m 7s
fc_matrix (saluki-pi_flat) / build	6m 42s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	9m 5s
fc_matrix (saluki-v2_amp) / build	9m 23s
fc_matrix (saluki-v2_default) / build	10m 19s
fc_matrix (saluki-v2_flat) / build	7m 54s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	9m 22s
fc_matrix (saluki-v3_amp) / build	10m 7s
fc_matrix (saluki-v3_default) / build	9m 2s
fc_matrix (saluki-v3_flat) / build	6m 43s
build px4fwupdater	2m 15s
upload px4fwupdater to docker registry	1m 57s
upload builds to UAE artifactory	3m 57s
upload px4fwupdater to UAE docker registry	0s
	2h 7m 47s

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