Update to toml_edit 0.22 (bevyengine#11973)

# Objective
Do bevyengine#11829, but without breaking CI.

## Solution
Update to `toml_edit` v0.22, replace the deprecated function with the
the newer equivalent.

crates/bevy_macro_utils/Cargo.toml

@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 keywords = ["bevy"]
 
 [dependencies]
-toml_edit = { version = "0.21", default-features = false, features = ["parse"] }
+toml_edit = { version = "0.22", default-features = false, features = ["parse"] }
 syn = "2.0"
 quote = "1.0"
 rustc-hash = "1.0"

tools/build-templated-pages/Cargo.toml

@@ -7,7 +7,7 @@ publish = false
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-toml_edit = { version = "0.21", default-features = false, features = ["parse"] }
+toml_edit = { version = "0.22", default-features = false, features = ["parse"] }
 tera = "1.15"
 serde = { version = "1.0", features = ["derive"] }
 bitflags = "2.3"

tools/build-templated-pages/src/features.rs

@@ -65,7 +65,7 @@ fn parse_features(panic_on_missing: bool) -> Vec<Feature> {
                     .as_str()
                     .unwrap()
                     .to_string();
-                if let Some(description) = key.decor().prefix() {
+                if let Some(description) = key.leaf_decor().prefix() {
                     let description = description.as_str().unwrap().to_string();
                     if !description.starts_with("\n# ") || !description.ends_with('\n') {
                         panic!("Missing description for feature {name}");

tools/example-showcase/Cargo.toml

@@ -10,5 +10,5 @@ license = "MIT OR Apache-2.0"
 xshell = "0.2"
 clap = { version = "4.0", features = ["derive"] }
 ron = "0.8"
-toml_edit = { version = "0.21", default-features = false, features = ["parse"] }
+toml_edit = { version = "0.22", default-features = false, features = ["parse"] }
 pbr = "1.1"