Bump proc-macro2 from 1.0.38 to 1.0.66 in /native (#25)

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.38 to 1.0.66.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.38...1.0.66)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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