Bump MSRV to 1.81.0

Author: sd2k

CHANGELOG.md

@@ -30,6 +30,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   APIs for working with arrow arrays differs between the two crates.
   Users who are just using the simple `Field::set_values` method or the various
   `IntoField` / `IntoOptField` traits should not be affected.
+- Update MSRV to 1.81
 - Bump itertools dependency to 0.14.0
 - Bump thiserror dependency to 2.0.11
 - Bump tonic, tonic-build and tonic-health dependencies to 0.13.0

crates/grafana-plugin-sdk/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.5.0"
 authors = ["Ben Sully <ben.sully@grafana.com>"]
 license = "MIT/Apache-2.0"
 edition = "2021"
-rust-version = "1.77"
+rust-version = "1.81"
 repository = "https://github.com/grafana/grafana-plugin-sdk-rust"
 description = "SDK for building Grafana backend plugins."
 

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.80.1"
+channel = "1.81.0"
 components = ["rustfmt", "clippy", "rust-analyzer"]