Bump the proc-macro group across 1 directory with 2 updates (#532)

Bumps the proc-macro group with 2 updates in the / directory: [proc-macro2](https://github.com/dtolnay/proc-macro2) and [quote](https://github.com/dtolnay/quote).


Updates `proc-macro2` from 1.0.93 to 1.0.94
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.93...1.0.94)

Updates `quote` from 1.0.38 to 1.0.39
- [Release notes](https://github.com/dtolnay/quote/releases)
- [Commits](dtolnay/quote@1.0.38...1.0.39)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]