Bump the rust-dependencies group with 3 updates

Updates the requirements on [prost](https://github.com/tokio-rs/prost), [prost-build](https://github.com/tokio-rs/prost) and [darling](https://github.com/TedDriggs/darling) to permit the latest version.

Updates `prost` to 0.14.1
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Changelog](https://github.com/tokio-rs/prost/blob/master/CHANGELOG.md)
- [Commits](tokio-rs/prost@v0.13.2...v0.14.1)

Updates `prost-build` to 0.14.1
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Changelog](https://github.com/tokio-rs/prost/blob/master/CHANGELOG.md)
- [Commits](tokio-rs/prost@v0.13.2...v0.14.1)

Updates `darling` to 0.21.0
- [Release notes](https://github.com/TedDriggs/darling/releases)
- [Changelog](https://github.com/TedDriggs/darling/blob/master/CHANGELOG.md)
- [Commits](TedDriggs/darling@v0.20.3...v0.21.0)

---
updated-dependencies:
- dependency-name: prost
  dependency-version: 0.14.1
  dependency-type: direct:production
  dependency-group: rust-dependencies
- dependency-name: prost-build
  dependency-version: 0.14.1
  dependency-type: direct:production
  dependency-group: rust-dependencies
- dependency-name: darling
  dependency-version: 0.21.0
  dependency-type: direct:production
  dependency-group: rust-dependencies
...

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

Author: dependabot[bot]

crates/grafana-plugin-sdk-macros/Cargo.toml

@@ -11,7 +11,7 @@ description = "Convenience macros for the Grafana backend plugin SDK."
 proc-macro = true
 
 [dependencies]
-darling = "0.20.3"
+darling = "0.21.0"
 proc-macro2 = "1.0.60"
 quote = "1.0.28"
 syn = { version = "2.0.18", features = ["full"] }

crates/grafana-plugin-sdk/Cargo.toml

@@ -18,7 +18,7 @@ grafana-plugin-sdk-macros = { version = "0.5.0", path = "../grafana-plugin-sdk-m
 http = "1.0.0"
 itertools = "0.14.0"
 num-traits = "0.2.15"
-prost = "0.13.2"
+prost = "0.14.1"
 reqwest_lib = { package = "reqwest", version = "0.12.7", optional = true }
 serde = { version = "1.0.164", features = ["derive"] }
 serde_json = { version = "1.0.96", features = ["float_roundtrip", "raw_value"] }
@@ -50,7 +50,7 @@ tokio = { version = "1.28.2", features = ["rt-multi-thread"] }
 tokio-stream = "0.1.14"
 
 [build-dependencies]
-prost-build = { version = "0.13.2", optional = true }
+prost-build = { version = "0.14.1", optional = true }
 tonic-build = { version = "0.13.0", optional = true }
 
 # docs.rs-specific configuration