Bump axum-core to 0.3.0 (#361)

* Bump axum-core to 0.3.0

This is required for axum 0.6 support

* Update doctests

* changelog

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 - Remove `html_debug!`
   [#357](https://github.com/lambda-fairy/maud/pull/357)
+- Support `axum` v0.6 through `axum-core` v0.3
+  [#361](https://github.com/lambda-fairy/maud/pull/361)
 
 ## [0.24.0] - 2022-08-12
 

doctest/Cargo.toml

@@ -13,7 +13,7 @@ rocket = "0.4"
 rouille = "3"
 tide = "0.16"
 tokio = { version = "1.9.0", features = ["rt", "macros", "rt-multi-thread"] }
-axum = "0.5"
+axum = "0.6"
 
 [dependencies.async-std]
 version = "1.9.0"

maud/Cargo.toml

@@ -25,7 +25,7 @@ rocket = { version = ">= 0.3, < 0.5", optional = true }
 futures-util = { version = "0.3.0", optional = true, default-features = false }
 actix-web-dep = { package = "actix-web", version = "4", optional = true, default-features = false }
 tide = { version = "0.16.0", optional = true, default-features = false }
-axum-core = { version = "0.2", optional = true }
+axum-core = { version = "0.3", optional = true }
 http = { version = "0.2", optional = true }
 
 [dev-dependencies]