CM-59577: handle 401 errors gracefully in scans (#384) #386

Job	Run time
Build on ubuntu-22.04 (onefile mode)	1m 22s
Build on macos-15 (onedir mode)	2m 15s
Build on macos-15-intel (onefile mode)	2m 27s
Build on macos-15-intel (onedir mode)	3m 20s
Build on windows-2022 (onefile mode)	2m 10s
Build on macos-15 (onefile mode)	1m 42s
	13m 16s

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