Allow implementations of AuthorizedResource::load_roles to use async fn syntax.#9693

mergeconflict wants to merge 4 commits intomainoxidecomputer/omicron:mainfrom

spr/mergeconflict/allow-implementations-of-authorizedresourceload_roles-to-use-async-fn-syntaxoxidecomputer/omicron:spr/mergeconflict/allow-implementations-of-authorizedresourceload_roles-to-use-async-fn-syntaxCopy head branch name to clipboard