Bump prost from 0.9.0 to 0.10.3 (#11425)

Bumps [prost](https://github.com/tokio-rs/prost) from 0.9.0 to 0.10.3.
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Commits](https://github.com/tokio-rs/prost/compare/v0.9.0...v0.10.3)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

substrate/client/authority-discovery/Cargo.toml

@@ -24,7 +24,7 @@ futures-timer = "3.0.1"
 ip_network = "0.4.1"
 libp2p = { version = "0.44.0", default-features = false, features = ["kad"] }
 log = "0.4.17"
-prost = "0.9"
+prost = "0.10"
 rand = "0.7.2"
 thiserror = "1.0"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", version = "0.10.0-dev", path = "../../utils/prometheus" }

substrate/client/network/Cargo.toml

@@ -36,7 +36,7 @@ log = "0.4.17"
 lru = "0.7.5"
 parking_lot = "0.12.0"
 pin-project = "1.0.10"
-prost = "0.9"
+prost = "0.10"
 rand = "0.7.2"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = "1.0.79"

substrate/client/network/light/Cargo.toml

@@ -23,7 +23,7 @@ codec = { package = "parity-scale-codec", version = "3.0.0", features = [
 futures = "0.3.21"
 libp2p = "0.44.0"
 log = "0.4.16"
-prost = "0.9"
+prost = "0.10"
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
 sc-client-api = { version = "4.0.0-dev", path = "../../api" }
 sc-network-common = { version = "0.10.0-dev", path = "../common" }

substrate/client/network/sync/Cargo.toml

@@ -26,7 +26,7 @@ futures = "0.3.21"
 libp2p = "0.44.0"
 log = "0.4.17"
 lru = "0.7.5"
-prost = "0.9"
+prost = "0.10"
 smallvec = "1.8.0"
 thiserror = "1.0"
 fork-tree = { version = "3.0.0", path = "../../../utils/fork-tree" }