Bump deps

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "imagequant"
-version = "4.2.0"
+version = "4.2.1"
 description = "Convert 24/32-bit images to 8-bit palette with alpha channel.\nFor lossy PNG compression and high-quality GIF images\nDual-licensed like pngquant. See https://pngquant.org for details."
 authors = ["Kornel Lesiński <kornel@pngquant.org>"]
 license = "GPL-3.0-or-later"

imagequant-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "imagequant-sys"
-version = "4.0.1"
+version = "4.0.2"
 description = "Convert 24/32-bit images to 8-bit palette with alpha channel.\nC API/FFI libimagequant that powers pngquant lossy PNG compressor.\n\nDual-licensed like pngquant. See https://pngquant.org for details."
 authors = ["Kornel Lesiński <kornel@pngquant.org>"]
 license = "GPL-3.0-or-later"
@@ -14,7 +14,7 @@ readme = "README.md"
 edition = "2021"
 links = "imagequant"
 build = "build.rs"
-rust-version = "1.60"
+rust-version = "1.63"
 
 [lib]
 crate-type = ["staticlib", "lib"]
@@ -23,8 +23,8 @@ path = "src/ffi.rs"
 name = "imagequant_sys"
 
 [dependencies]
-imagequant = { path = "..", version = "4.0.0", default-features = false, features = ["_internal_c_ffi"] }
-bitflags = "1.3.2"
+imagequant = { path = "..", version = "4.2.1", default-features = false, features = ["_internal_c_ffi"] }
+bitflags = "2.0"
 libc = "0.2.112"
 
 [package.metadata.capi.library]

imagequant-sys/src/ffi.rs

@@ -53,6 +53,7 @@ pub type liq_image_get_rgba_row_callback = unsafe extern "C" fn(row_out: *mut Ma
 
 bitflags::bitflags! {
     #[repr(C)]
+    #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy)]
     pub struct liq_ownership: c_int {
         /// Moves ownership of the rows array. It will free it using `free()` or custom allocator.
         const LIQ_OWN_ROWS = 4;