chore(deps): Bump prost from 0.11.9 to 0.12.0 (vectordotdev#18460)

* chore(deps): Bump prost from 0.11.9 to 0.12.0

Bumps [prost](https://github.com/tokio-rs/prost) from 0.11.9 to 0.12.0.
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Commits](tokio-rs/prost@v0.11.9...v0.12.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

* Update prost and tonic

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

* TryFrom implementation is no longer needed

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

* remove deprecated functions

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

* Update license

Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Stephen Wakely <fungus.humungus@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Stephen Wakely <fungus.humungus@gmail.com>