Remove useless install and add wasm32-unknown-unknown target.

Author: RobinToncourt

.github/workflows/rust.yml

@@ -24,8 +24,8 @@ jobs:
                     target/
                 key: ${{ github.ref || github.run_id }}
             - uses: dtolnay/rust-toolchain@stable
-            - name: Install alsa and udev
-              run: sudo apt-get update; sudo apt-get install --no-install-recommends libasound2-dev libudev-dev
+            - name: Install wasm target
+              run: rustup target install wasm32-unknown-unknown
             - name: Build
               run: cargo build --release --target wasm32-unknown-unknown && wasm-bindgen --no-typescript --out-dir ./out/ --target web ./target/wasm32-unknown-unknown/release/bevy_wasm_ci_example.wasm --out-name "tabletop" && wasm-strip ./out/tabletop_bg.wasm && wasm-opt -Oz --enable-bulk-memory --enable-nontrapping-float-to-int --enable-reference-types -o ./out/tabletop_bg.wasm ./out/tabletop_bg.wasm && gzip -f ./out/tabletop_bg.wasm
             - name: Copy