Upgrade to Bevy 0.16, Rust 2024 (#78)

Author: rparrett

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "bevy_github_ci_template"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 license = "MIT OR Apache-2.0 OR CC0-1.0"
 
 # Compile with Performance Optimizations:
@@ -16,7 +16,7 @@ opt-level = 1
 opt-level = 3
 
 [dependencies]
-bevy = "0.15"
+bevy = "0.16"
 
 # These lints may be important signals about code quality, but normal Bevy code
 # commonly triggers them and the CI workflow treats them as errors, so we've