Bump sdl2 to 0.11.0
Bump sdl2 to 0.11.0

Cobrand/rust-sdl2,Rust-SDL2/rust-sdl2,xsleonard/rust-sdl2_image,Cobrand/rust-sdl2,crumblingstatue/rust-sdl2_image,Machtan/rust-sdl2_image,Rust-SDL2/rust-sdl2,AngryLawyer/rust-sdl2,Cobrand/rust-sdl2,Rust-SDL2/rust-sdl2,vadixidav/rust-sdl2,notkild/rust-sdl2_image