build: Update `swc_core` to `v10.3.0` (#75018)
### What?
Update SWC crates.
- ChangeLog: https://github.com/swc-project/swc/compare/swc_core%40v10.2.5...swc_core%40v10.3.0
### Why?
To apply https://github.com/swc-project/swc/pull/9890, which reduces lots of allocations while generating ES code.
### How?
