config: downgrade bincode to 1.3.3

This should not have any impact on existing configs since bincode claims
compatibility of the wire format between 1.3.3 and 2.0.0.

jay-config/src/logging.rs

@@ -3,10 +3,10 @@
 //! Note that you can use the `log` crate for logging. All invocations of `log::info` etc.
 //! automatically log into the compositors log.
 
-use bincode::{Decode, Encode};
+use serde::{Deserialize, Serialize};
 
 /// The log level of the compositor or a log message.
-#[derive(Encode, Decode, Copy, Clone, Debug)]
+#[derive(Serialize, Deserialize, Copy, Clone, Debug)]
 pub enum LogLevel {
     Error,
     Warn,