Vendor dependencies for 0.3.0 release

vendor/image/benches/copy_from.rs

@@ -0,0 +1,14 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use image::{GenericImage, ImageBuffer, Rgba};
+
+pub fn bench_copy_from(c: &mut Criterion) {
+    let src = ImageBuffer::from_pixel(2048, 2048, Rgba([255u8, 0, 0, 255]));
+    let mut dst = ImageBuffer::from_pixel(2048, 2048, Rgba([0u8, 0, 0, 255]));
+
+    c.bench_function("copy_from", |b| {
+        b.iter(|| dst.copy_from(black_box(&src), 0, 0));
+    });
+}
+
+criterion_group!(benches, bench_copy_from);
+criterion_main!(benches);