Bump trio-typing from 0.7.0 to 0.8.0 (#2688)

Bump trio-typing from 0.7.0 to 0.8.0 (#2688)

Bumps [trio-typing](https://github.com/python-trio/trio-typing) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/python-trio/trio-typing/releases)
- [Commits](https://github.com/python-trio/trio-typing/compare/v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: trio-typing
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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