[repo depot 2/n] sled agent APIs to manage update artifact storage #38777

Job	Run time
build-docs	3m 49s
check-features	7m 33s
check-omicron-deployment (ubuntu-22.04)	3m 49s
check-style	26s
check-omicron-deployment (macos-14)	3m 42s
clippy-lint	5m 33s
	24m 52s

Provide feedback