Update Cargo.toml

Author: murphsicles

templates/Cargo.toml

@@ -8,7 +8,7 @@ nprint-types = { path = "../types" }   # Shared types for contracts
 nprint-core = { path = "../core" }    # Core Bitcoin Script logic
 nprint-dsl = { path = "../dsl" }      # DSL for script macros
 sha2 = "0.10.8"
-sv = { git = "https://github.com/murphsicles/rust-sv", tag = "v0.5.0" }
+sv = { git = "https://github.com/murphsicles/rust-sv", tag = "v0.5.1" }
 lazy_static = "1.4.0"
 
 [features]