Add support for `Brioche.download()` for locked downloads (#102) #322

Job	Run time
Run checks	3m 0s
Run tests (ubuntu-22.04)	17m 26s
Build artifacts (x86_64-linux, ubuntu-22.04, x86_64-unknown-linux-gnu)	8m 15s
Run tests (macos-14)	10m 46s
Build artifacts (x86_64-macos, macos-14, x86_64-apple-darwin)	6m 37s
Build artifacts (aarch64-macos, macos-14, aarch64-apple-darwin)	6m 30s
Push artifacts	16s
	52m 50s

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