build(deps): bump prost from 0.11.9 to 0.12.1

Bumps [prost](https://github.com/tokio-rs/prost) from 0.11.9 to 0.12.1.
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Commits](tokio-rs/prost@v0.11.9...v0.12.1)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -42,7 +42,7 @@ datafusion-expr = { git = "https://github.com/apache/arrow-datafusion", rev = "e
 datafusion-optimizer = { git = "https://github.com/apache/arrow-datafusion", rev = "e23d34bae60bb2f9c496241e218bab795af3af83" }
 datafusion-sql = { git = "https://github.com/apache/arrow-datafusion", rev = "e23d34bae60bb2f9c496241e218bab795af3af83" }
 datafusion-substrait = { git = "https://github.com/apache/arrow-datafusion", rev = "e23d34bae60bb2f9c496241e218bab795af3af83" }
-prost = "0.11"
+prost = "0.12"
 prost-types = "0.11"
 uuid = { version = "1.3", features = ["v4"] }
 mimalloc = { version = "0.1", optional = true, default-features = false }