add derive feature

Author: jayantk

pyth-sdk-solana/Cargo.toml

@@ -15,7 +15,7 @@ readme = "README.md"
 solana-program = ">= 1.9"
 borsh = "0.10.3"
 borsh-derive = "0.10.3"
-bytemuck = "1.7.2"
+bytemuck = {version ="1.7.2", features = ["derive"]}
 num-derive = "0.3"
 num-traits = "0.2"
 thiserror = "1.0"