Bump the deps group across 1 directory with 3 updates

Bumps the deps group with 3 updates in the /contracts directory: [tokio](https://github.com/tokio-rs/tokio), [syn](https://github.com/dtolnay/syn) and [anyhow](https://github.com/dtolnay/anyhow).


Updates `tokio` from 1.37.0 to 1.38.0
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.37.0...tokio-1.38.0)

Updates `syn` from 2.0.61 to 2.0.66
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.61...2.0.66)

Updates `anyhow` from 1.0.83 to 1.0.86
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](dtolnay/anyhow@1.0.83...1.0.86)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: deps
- dependency-name: syn
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: deps
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: deps
...

Signed-off-by: dependabot[bot] <[email protected]>