Provide `Authorization` header when downloading `update-job-proxy` #7868

Job	Run time
Packaging: Config file (macos-latest, linked)	1m 30s
Packaging: Config file (macos-latest, nightly-latest)	1m 54s
Packaging: Config file (windows-latest, linked)	4m 23s
Packaging: Config file (ubuntu-latest, nightly-latest)	1m 15s
Packaging: Config file (macos-latest, default)	1m 40s
Packaging: Config file (ubuntu-latest, linked)	1m 25s
Packaging: Config file (windows-latest, default)	7m 13s
Packaging: Config file (windows-latest, nightly-latest)	6m 2s
Packaging: Config file (ubuntu-latest, default)	1m 12s
	26m 34s

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