chore(deps) Update Rust crate zstd to 0.8 (#1707)

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

core/tauri-codegen/Cargo.toml

@@ -18,4 +18,4 @@ serde_json = "1"
 tauri-utils = { version = "1.0.0-beta-rc.1", path = "../tauri-utils", features = [ "build" ] }
 thiserror = "1"
 walkdir = "2"
-zstd = "0.7"
+zstd = "0.8"