cargo: Update dependencies

And fix a meson warning

Cargo.toml

@@ -23,9 +23,9 @@ once_cell = "1.16.0"
 safe-transmute = "0.11.2"
 
 # decoders
-image-rs = { package = "image", version = "*", git = "https://github.com/image-rs/image.git" }
+image-rs = { package = "image", version = "0.24.6" }
 libheif-rs = "0.19.0"
-librsvg = { git = "https://gitlab.gnome.org/GNOME/librsvg.git" }
+librsvg = { git = "https://gitlab.gnome.org/GNOME/librsvg.git", rev = "2.56.0" }
 
 [dependencies.ashpd]
 version = "0.4.0-alpha.3"

meson.build

@@ -70,5 +70,5 @@ gnome.post_install(
 meson.add_dist_script(
   'build-aux/meson/dist-vendor.sh',
   join_paths(meson.project_build_root(), 'meson-dist', meson.project_name() + '-' + meson.project_version()),
-  meson.source_root()
+  meson.project_source_root()
 )