cargo: bump prost-build from 0.11.5 to 0.11.6

Bumps [prost-build](https://github.com/tokio-rs/prost) from 0.11.5 to 0.11.6.
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Commits](https://github.com/tokio-rs/prost/compare/v0.11.5...v0.11.6)

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

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

Cargo.lock

@@ -1340,9 +1340,9 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.5"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb5320c680de74ba083512704acb90fe00f28f79207286a848e730c45dd73ed6"
+checksum = "a3f8ad728fb08fe212df3c05169e940fbb6d9d16a877ddde14644a983ba2012e"
 dependencies = [
  "bytes",
  "heck",
@@ -1375,9 +1375,9 @@ dependencies = [
 
 [[package]]
 name = "prost-types"
-version = "0.11.5"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "017f79637768cde62820bc2d4fe0e45daaa027755c323ad077767c6c5f173091"
+checksum = "a5e0526209433e96d83d750dd81a99118edbc55739e7e61a46764fd2ad537788"
 dependencies = [
  "bytes",
  "prost",

lib/gen-protos/Cargo.toml

@@ -5,4 +5,4 @@ edition = "2021"
 publish = false
 
 [dependencies]
-prost-build = "0.11.5"
+prost-build = "0.11.6"