chore: Update swc_core to `v0.90.21` (#7672)
### Description
- Update `swc_core` to fix performance regression caused by the creation
of the `tokio` runtime.
- Apply various minifier bugfixes.
- https://github.com/swc-project/swc/pull/8730
- https://github.com/swc-project/swc/pull/8733
- https://github.com/swc-project/swc/pull/8725
- https://github.com/swc-project/swc/pull/8726
- https://github.com/swc-project/swc/pull/8727
- Apply https://github.com/swc-project/plugins/pull/271 (Closes PACK-2714)
### Testing Instructions
Closes PACK-2693