Provide `Authorization` header when downloading `update-job-proxy` #7871

Job	Run time
Packaging: Config file (macos-latest, default)	1m 25s
Packaging: Config file (macos-latest, linked)	2m 9s
Packaging: Config file (windows-latest, default)	8m 47s
Packaging: Config file (windows-latest, linked)	5m 31s
Packaging: Config file (windows-latest, nightly-latest)	4m 17s
Packaging: Config file (ubuntu-latest, linked)	1m 19s
Packaging: Config file (macos-latest, nightly-latest)	1m 56s
Packaging: Config file (ubuntu-latest, nightly-latest)	1m 37s
Packaging: Config file (ubuntu-latest, default)	1m 30s
	28m 31s

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