Update wayland-rs to 0.30.0

This update rewrites the winit's Wayland backend using new wayland-rs
0.30 API. This fixes long standing issue with the forward compatibility
of the wayland backend, meaning that future updates to the wayland
protocol won't break rust code anymore. like it was before when adding
new shm/enum variants into the protocol.

Fixes #2560.
Fixes #2164.
Fixes #2128.
Fixes #1760.
Fixes #725.

.github/workflows/ci.yml

@@ -75,6 +75,7 @@ jobs:
     env:
       RUST_BACKTRACE: 1
       CARGO_INCREMENTAL: 0
+      PKG_CONFIG_ALLOW_CROSS: 1
       RUSTFLAGS: "-C debuginfo=0 --deny warnings"
       OPTIONS: ${{ matrix.platform.options }}
       FEATURES: ${{ format(',{0}', matrix.platform.features ) }}
@@ -97,9 +98,12 @@ jobs:
         targets: ${{ matrix.platform.target }}
         components: clippy
 
+    - name: Install Linux dependencies
+      if: (matrix.platform.os == 'ubuntu-latest')
+      run: sudo apt-get update && sudo apt-get install pkg-config libxkbcommon-dev
     - name: Install GCC Multilib
       if: (matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')
-      run: sudo apt-get update && sudo apt-get install gcc-multilib
+      run: sudo dpkg --add-architecture i386 && sudo apt-get update && sudo apt-get install g++-multilib gcc-multilib libxkbcommon-dev:i386
     - name: Install cargo-apk
       if: contains(matrix.platform.target, 'android')
       run: cargo install cargo-apk