Register credentials extracted from proxy configuration as secrets #6984

Job	Run time
Packaging: Action input (macos-latest, linked)	1m 28s
Packaging: Action input (macos-latest, nightly-latest)	1m 30s
Packaging: Action input (ubuntu-latest, default)	1m 3s
Packaging: Action input (windows-latest, nightly-latest)	4m 42s
Packaging: Action input (windows-latest, linked)	4m 21s
Packaging: Action input (ubuntu-latest, linked)	1m 12s
Packaging: Action input (ubuntu-latest, nightly-latest)	1m 51s
Packaging: Action input (windows-latest, default)	4m 40s
Packaging: Action input (macos-latest, default)	1m 22s
	22m 9s

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