Update accesskit requirement from 0.19 to 0.20

---
updated-dependencies:
- dependency-name: accesskit
  dependency-version: 0.20.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.toml

@@ -617,7 +617,7 @@ hyper = { version = "1", features = ["server", "http1"] }
 http-body-util = "0.1"
 anyhow = "1"
 macro_rules_attribute = "0.2"
-accesskit = "0.19"
+accesskit = "0.20"
 nonmax = "0.5"
 
 [target.'cfg(not(target_family = "wasm"))'.dev-dependencies]

crates/bevy_a11y/Cargo.toml

@@ -46,7 +46,7 @@ bevy_ecs = { path = "../bevy_ecs", version = "0.17.0-dev", default-features = fa
 bevy_reflect = { path = "../bevy_reflect", version = "0.17.0-dev", default-features = false, optional = true }
 
 # other
-accesskit = { version = "0.19", default-features = false }
+accesskit = { version = "0.20", default-features = false }
 serde = { version = "1", default-features = false, features = [
   "alloc",
 ], optional = true }

crates/bevy_core_widgets/Cargo.toml

@@ -25,7 +25,7 @@ bevy_ui = { path = "../bevy_ui", version = "0.17.0-dev", features = [
 ] }
 
 # other
-accesskit = "0.19"
+accesskit = "0.20"
 
 [features]
 default = []

crates/bevy_feathers/Cargo.toml

@@ -30,7 +30,7 @@ bevy_window = { path = "../bevy_window", version = "0.17.0-dev" }
 bevy_winit = { path = "../bevy_winit", version = "0.17.0-dev" }
 
 # other
-accesskit = "0.19"
+accesskit = "0.20"
 
 [features]
 default = []

crates/bevy_ui/Cargo.toml

@@ -41,7 +41,7 @@ thiserror = { version = "2", default-features = false }
 derive_more = { version = "2", default-features = false, features = ["from"] }
 nonmax = "0.5"
 smallvec = { version = "1", default-features = false }
-accesskit = "0.19"
+accesskit = "0.20"
 tracing = { version = "0.1", default-features = false, features = ["std"] }
 
 [features]

crates/bevy_ui_render/Cargo.toml

@@ -38,7 +38,7 @@ thiserror = { version = "2", default-features = false }
 derive_more = { version = "1", default-features = false, features = ["from"] }
 nonmax = "0.5"
 smallvec = { version = "1", default-features = false }
-accesskit = "0.18"
+accesskit = "0.20"
 tracing = { version = "0.1", default-features = false, features = ["std"] }
 
 [features]

crates/bevy_winit/Cargo.toml

@@ -60,7 +60,7 @@ raw-window-handle = "0.6"
 serde = { version = "1.0", features = ["derive"], optional = true }
 bytemuck = { version = "1.5", optional = true }
 wgpu-types = { version = "25", optional = true }
-accesskit = "0.19"
+accesskit = "0.20"
 tracing = { version = "0.1", default-features = false, features = ["std"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]