Handle errors when signing SSH certificates #989

Job	Run time
build on fedora:39	2m 12s
build on fedora:40	1m 38s
Build dist with Linux	41s
build on ubuntu:24.04	1m 47s
build on ubuntu:23.10	1m 35s
build on ubuntu:22.04	1m 36s
build on ubuntu:20.04	1m 33s
build on debian:12	1m 34s
build on debian:11	1m 47s
Build MacOS release (macos-latest, amd)	53s
Build Windows release (windows-latest, x86)	8m 57s
Build MacOS release (macos-latest-xlarge, arm)	52s
Build Windows release (windows-latest, x64)	10m 16s
	35m 21s

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