ash: Demote MSRV back to 1.59

We only bumped it to 1.60 to match the version in `ash-window`, but this
is unnecessary as the dependency causing so is not used in `ash`.

.github/workflows/ci.yml

@@ -19,11 +19,11 @@ jobs:
           args: --workspace --all-targets --all-features
 
   check_msrv:
-    name: Check ash MSRV (1.60.0)
+    name: Check ash MSRV (1.59.0)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: dtolnay/rust-toolchain@1.60.0
+      - uses: dtolnay/rust-toolchain@1.59.0
       - uses: actions-rs/cargo@v1
         with:
           command: check

Changelog.md

@@ -10,7 +10,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Replaced builders with lifetimes/setters directly on Vulkan structs (#602)
 - Inlined struct setters (#602)
-- Bumped MSRV from 1.59 to 1.60 (#709)
 
 ### Removed
 

README.md

@@ -8,7 +8,7 @@ A very lightweight wrapper around Vulkan
 [![LICENSE](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE-MIT)
 [![LICENSE](https://img.shields.io/badge/license-Apache--2.0-blue.svg)](LICENSE-APACHE)
 [![Join the chat at https://gitter.im/MaikKlein/ash](https://badges.gitter.im/MaikKlein/ash.svg)](https://gitter.im/MaikKlein/ash?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![MSRV](https://img.shields.io/badge/rustc-1.60.0+-ab6000.svg)](https://blog.rust-lang.org/2022/04/07/Rust-1.60.0.html)
+[![MSRV](https://img.shields.io/badge/rustc-1.59.0+-ab6000.svg)](https://blog.rust-lang.org/2022/02/24/Rust-1.59.0.html)
 
 ## Overview
 - [x] A true Vulkan API without compromises

ash/Cargo.toml

@@ -13,7 +13,7 @@ readme = "../README.md"
 keywords = ["vulkan", "graphic"]
 documentation = "https://docs.rs/ash"
 edition = "2021"
-rust-version = "1.60.0"
+rust-version = "1.59.0"
 
 [dependencies]
 libloading = { version = "0.7", optional = true }