chore: update Cargo.toml edition to 2024

Author: lilith

jpegxl-rs/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 categories = ["api-bindings", "encoding", "multimedia::images"]
 description = "Safe Rust wrapper for JPEG XL reference implementation"
-edition = "2021"
+edition = "2024"
 keywords = ["jpeg-xl", "jxl"]
 license = "GPL-3.0-or-later"
 name = "jpegxl-rs"

jpegxl-src/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 description = "Source of libjxl and logic to build it."
-edition = "2021"
+edition = "2024"
 license = "BSD-3-Clause"
 name = "jpegxl-src"
 readme = "README.md"

jpegxl-sys/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 categories = ["external-ffi-bindings", "encoding", "multimedia::images"]
 description = "Rust wrapper for JPEG XL reference implementation"
-edition = "2021"
+edition = "2024"
 keywords = ["jpeg-xl", "jxl"]
 license = "GPL-3.0-or-later"
 links = "jxl"