bump libhermesabi-sys to 0.3.0 and rusty_hermes to 0.2.0

- Add version specifier for libhermesabi-sys dependency
- Fix category slug for crates.io

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: mishushakov

Cargo.toml

@@ -6,11 +6,11 @@ edition = "2021"
 authors = ["Rust Hermes, Mish Ushakov <mishushakov@users.noreply.github.com>"]
 repository = "https://github.com/rust-hermes/rusty_hermes"
 license = "MIT"
-categories = [ "API bindings" ]
+categories = ["api-bindings"]
 keywords = ["javascript", "hermes", "v8", "jsc", "spidermonkey"]
 
 [workspace]
 members = ["libhermesabi-sys"]
 
 [dependencies]
-libhermesabi-sys = { path = "libhermesabi-sys" }
+libhermesabi-sys = { path = "libhermesabi-sys", version = "0.3.0" }