cloud: status, diff, apply (#7614)

Adds cli commands for getting the status of cloud tasks, and for
getting/applying the diffs from same.

codex-rs/cloud-tasks/Cargo.toml

@@ -34,6 +34,9 @@ tokio-stream = { workspace = true }
 tracing = { workspace = true, features = ["log"] }
 tracing-subscriber = { workspace = true, features = ["env-filter"] }
 unicode-width = { workspace = true }
+owo-colors = { workspace = true, features = ["supports-colors"] }
+supports-color = { workspace = true }
 
 [dev-dependencies]
 async-trait = { workspace = true }
+pretty_assertions = { workspace = true }