convert hand-written enum as_str matches to strum derives workspace-wide

swarm-controller/Cargo.toml

@@ -74,6 +74,7 @@ hive-types.workspace = true
 reqwest = { workspace = true, features = ["blocking"] }
 serde.workspace = true
 serde_json.workspace = true
+strum.workspace = true
 swarm-authelia-bridge-sock.workspace = true
 # The queue connect (token mint + auth callback + reconnect) is shared with
 # every other participant - a hive publishing its own status runs the same