Bump MSRV to Rust 1.72

.github/workflows/ci.yml

@@ -3,8 +3,8 @@ name: CI
 on: [push, pull_request]
 
 env:
- rust_min: 1.71.0
- rust_nightly: nightly-2023-07-12
+ rust_min: 1.72.0
+ rust_nightly: nightly-2023-08-23
 
 jobs:
  test:

Cargo.toml

@@ -10,7 +10,7 @@ readme = "README.md"
 repository = "https://github.com/serenity-rs/serenity.git"
 version = "0.11.5"
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.72"
 include = ["src/**/*", "LICENSE.md", "README.md", "CHANGELOG.md", "build.rs"]
 
 [workspace]

README.md

@@ -104,7 +104,7 @@ tokio = { version = "1.21.2", features = ["macros", "rt-multi-thread"] }
 
 ## MSRV Policy
 
-Serenity's minimum supported Rust version (MSRV) is Rust 1.71.
+Serenity's minimum supported Rust version (MSRV) is Rust 1.72.
 
 We opt to keep MSRV stable on the `current` branch. This means it will remain
 unchanged between minor releases. Occasionally, dependencies may violate SemVer
@@ -251,5 +251,5 @@ a Rust-native cloud development platform that allows deploying Serenity bots for
 [repo:andesite]: https://github.com/natanbc/andesite
 [repo:lavaplayer]: https://github.com/sedmelluq/lavaplayer
 [logo]: https://raw.githubusercontent.com/serenity-rs/serenity/current/logo.png
-[rust-version-badge]: https://img.shields.io/badge/rust-1.71.0+-93450a.svg?style=flat-square
-[rust-version-link]: https://blog.rust-lang.org/2023/07/13/Rust-1.71.0.html
+[rust-version-badge]: https://img.shields.io/badge/rust-1.72.0+-93450a.svg?style=flat-square
+[rust-version-link]: https://blog.rust-lang.org/2023/08/24/Rust-1.72.0.html