Bump swc_core from 1.0.6 to 4.0.3

Bumps [swc_core](https://github.com/swc-project/swc) from 1.0.6 to 4.0.3.
- [Release notes](https://github.com/swc-project/swc/releases)
- [Changelog](https://github.com/swc-project/swc/blob/main/CHANGELOG.md)
- [Commits](https://github.com/swc-project/swc/compare/swc_core@v1.0.6...swc_core@v4.0.3)

---
updated-dependencies:
- dependency-name: swc_core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

backends/Cargo.toml

@@ -48,7 +48,7 @@ tree-sitter = "0.24"
 tree-sitter-go = "0.23"
 
 # Hardhat TS
-swc_core = { version = "1.0", features = [
+swc_core = { version = "4.0", features = [
     "common",
     "ecma_ast",
     "ecma_parser",