fix(rust/signed-doc): add 'half' feature from minicbor crate

Author: saibatizoku

rust/signed_doc/Cargo.toml

@@ -16,7 +16,7 @@ anyhow = "1.0.95"
 serde = { version = "1.0.217", features = ["derive"] }
 serde_json = "1.0.134"
 coset = "0.3.8"
-minicbor = "0.25.1"
+minicbor = { version = "0.25.1", features = ["half"] }
 brotli = "7.0.0"
 ed25519-dalek = { version = "2.1.1", features = ["pem", "rand_core"] }
 uuid = { version = "1.11.0", features = ["v4", "v7", "serde"] }
@@ -31,4 +31,4 @@ rand = "0.8.5"
 
 [[bin]]
 name = "signed-docs"
-path = "examples/mk_signed_doc.rs"
+path = "examples/mk_signed_doc.rs"