Update old repo references to rust3ds instead

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
 members = ["citro3d-sys", "citro3d"]
 
-[patch."https://github.com/ian-h-chamberlain/citro3d-rs.git"]
+[patch."https://github.com/rust3ds/citro3d-rs.git"]
 citro3d-sys = { path = "citro3d-sys" }

citro3d/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 bitflags = "1.3.2"
 bytemuck = { version = "1.10.0", features = ["extern_crate_std"] }
-citro3d-sys = { git = "https://github.com/ian-h-chamberlain/citro3d-rs.git" }
+citro3d-sys = { git = "https://github.com/rust3ds/citro3d-rs.git" }
 ctru-rs = { git = "https://github.com/rust3ds/ctru-rs.git" }
 libc = "0.2.125"