Provide `Authorization` header when downloading `update-job-proxy` #7865

Job	Run time
Packaging: Config and input (ubuntu-latest, default)	2m 4s
Packaging: Config and input (windows-latest, default)	3m 48s
Packaging: Config and input (ubuntu-latest, nightly-latest)	1m 28s
Packaging: Config and input (windows-latest, nightly-latest)	5m 33s
Packaging: Config and input (macos-latest, linked)	1m 28s
Packaging: Config and input (macos-latest, default)	1m 56s
Packaging: Config and input (ubuntu-latest, linked)	1m 36s
Packaging: Config and input (macos-latest, nightly-latest)	1m 18s
Packaging: Config and input (windows-latest, linked)	5m 6s
	24m 17s

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