Update accesskit requirement from 0.19 to 0.21 (#20332)

# Objective

- Closes #20222

## Solution

- Updated `accesskit` and `accesskit_winit` version requirements to
their latest versions.

## Testing

- CI + cargo check

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: mnmaita

Cargo.toml

@@ -621,7 +621,7 @@ hyper = { version = "1", features = ["server", "http1"] }
 http-body-util = "0.1"
 anyhow = "1"
 macro_rules_attribute = "0.2"
-accesskit = "0.19"
+accesskit = "0.21"
 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 = "0.21", default-features = false }
 serde = { version = "1", default-features = false, features = [
   "alloc",
 ], optional = true }

crates/bevy_core_widgets/Cargo.toml

@@ -21,7 +21,7 @@ bevy_picking = { path = "../bevy_picking", version = "0.17.0-dev" }
 bevy_ui = { path = "../bevy_ui", version = "0.17.0-dev" }
 
 # other
-accesskit = "0.19"
+accesskit = "0.21"
 
 [features]
 default = []

crates/bevy_feathers/Cargo.toml

@@ -32,7 +32,7 @@ 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 = "0.21"
 
 [features]
 default = []

crates/bevy_ui/Cargo.toml

@@ -39,7 +39,7 @@ uuid = { version = "1.1", features = ["v4"], optional = true }
 thiserror = { version = "2", default-features = false }
 derive_more = { version = "2", default-features = false, features = ["from"] }
 smallvec = { version = "1", default-features = false }
-accesskit = "0.19"
+accesskit = "0.21"
 tracing = { version = "0.1", default-features = false, features = ["std"] }
 
 [features]

crates/bevy_winit/Cargo.toml

@@ -49,15 +49,15 @@ bevy_image = { path = "../bevy_image", version = "0.17.0-dev", optional = true }
 # other
 # feature rwh_06 refers to [email protected]
 winit = { version = "0.30", default-features = false, features = ["rwh_06"] }
-accesskit_winit = { version = "0.27", default-features = false, features = [
+accesskit_winit = { version = "0.29", default-features = false, features = [
   "rwh_06",
 ] }
 approx = { version = "0.5", default-features = false }
 cfg-if = "1.0"
 raw-window-handle = "0.6"
 bytemuck = { version = "1.5", optional = true }
 wgpu-types = { version = "25", optional = true }
-accesskit = "0.19"
+accesskit = "0.21"
 tracing = { version = "0.1", default-features = false, features = ["std"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]