chore(deps) Update Rust crate handlebars to 3.1 (#636)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

cli/tauri-bundler/Cargo.toml

@@ -36,7 +36,7 @@ toml = "0.5.6"
 uuid = { version = "0.8", features = ["v5"] }
 walkdir = "2"
 lazy_static = { version = "1.4" }
-handlebars = { version = "3.0" }
+handlebars = { version = "3.1" }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 attohttpc = { version = "0.13.0" }