gpui: Update image dependency

The latest update to resvg bumped some transitive dependencies
which lead to duplicates. The update to the image dependency
unifies most of their versions again.

Most notably, gif and kurbo are still duplicated, which is best fixed
downstream however.

Signed-off-by: Niklas Wimmer <mail@nwimmer.me>

crates/gpui/src/assets.rs

@@ -1,6 +1,6 @@
 use crate::{size, DevicePixels, Result, SharedString, Size};
 use anyhow::anyhow;
-use image::{Bgra, ImageBuffer};
+use image::RgbaImage;
 use std::{
     borrow::Cow,
     fmt,
@@ -38,12 +38,12 @@ pub struct ImageId(usize);
 pub struct ImageData {
     /// The ID associated with this image
     pub id: ImageId,
-    data: ImageBuffer<Bgra<u8>, Vec<u8>>,
+    data: RgbaImage,
 }
 
 impl ImageData {
     /// Create a new image from the given data.
-    pub fn new(data: ImageBuffer<Bgra<u8>, Vec<u8>>) -> Self {
+    pub fn new(data: RgbaImage) -> Self {
         static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
 
         Self {