Release axum 0.8.0-alpha.1 and related crates (#2958)

axum-core/CHANGELOG.md

@@ -5,10 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-# Unreleased
+# 0.5.0
 
+## alpha.1
+
+- **breaking:** Replace `#[async_trait]` with [return-position `impl Trait` in traits][RPITIT] ([#2308])
 - **change:** Update minimum rust version to 1.75 ([#2943])
 
+[RPITIT]: https://blog.rust-lang.org/2023/12/21/async-fn-rpit-in-traits.html
+[#2308]: https://github.com/tokio-rs/axum/pull/2308
 [#2943]: https://github.com/tokio-rs/axum/pull/2943
 
 # 0.4.5

axum-core/Cargo.toml

@@ -9,7 +9,7 @@ license = "MIT"
 name = "axum-core"
 readme = "README.md"
 repository = "https://github.com/tokio-rs/axum"
-version = "0.4.5" # remember to also bump the version that axum and axum-extra depend on
+version = "0.5.0-alpha.1" # remember to bump the version that axum and axum-extra depend on
 
 [features]
 tracing = ["dep:tracing"]
@@ -35,7 +35,7 @@ tower-http = { version = "0.6.0", optional = true, features = ["limit"] }
 tracing = { version = "0.1.37", default-features = false, optional = true }
 
 [dev-dependencies]
-axum = { path = "../axum", version = "0.7.2" }
+axum = { path = "../axum", version = "0.8.0-alpha.1" }
 axum-extra = { path = "../axum-extra", features = ["typed-header"] }
 futures-util = { version = "0.3", default-features = false, features = ["alloc"] }
 hyper = "1.0.0"