feat: bind each node to the binary it runs at its first handshake; refuse changes that are not in a CI-signed manifest [CI]

backend/src/MoShiro.Backend.Api/Contracts/ApiJsonContext.cs

@@ -47,6 +47,7 @@ namespace MoShiro.Backend.Api;
 [JsonSerializable(typeof(PublishReleaseRequest))]
 [JsonSerializable(typeof(AboutDto))]
 [JsonSerializable(typeof(NodeBuildDto))]
+[JsonSerializable(typeof(NodeBinaryDto))]
 [JsonSerializable(typeof(BuildInfoDto))]
 [JsonSerializable(typeof(BackendUpdateDto))]
 [JsonSerializable(typeof(ConfirmBackendUpdateRequest))]