Bump tonic from 0.12.3 to 0.13.1

Bumps [tonic](https://github.com/hyperium/tonic) from 0.12.3 to 0.13.1.
- [Release notes](https://github.com/hyperium/tonic/releases)
- [Changelog](https://github.com/hyperium/tonic/blob/master/CHANGELOG.md)
- [Commits](grpc/grpc-rust@v0.12.3...v0.13.1)

---
updated-dependencies:
- dependency-name: tonic
  dependency-version: 0.13.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -88,7 +88,7 @@ tokio-postgres = { version = "0.7", features = [
   "with-geo-types-0_7",
 ], optional = true }
 tokio-rusqlite = { version = "0.6.0", optional = true }
-tonic = { version = "0.12", optional = true, features = [
+tonic = { version = "0.13", optional = true, features = [
   "tls-native-roots",
   "tls-webpki-roots",
 ] }