ci: update build script

Signed-off-by: ACh Sulfate <xenonhydride@gmail.com>

.github/workflows/push_ci.yml

@@ -31,6 +31,12 @@ jobs:
         run: |
           echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "cmake;3.22.1" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
           echo "sdk.dir=${ANDROID_HOME}" > local.properties
+      - name: Setup rust toolchain
+        run: |
+          curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain stable
+          source $HOME/.cargo/env
+          cargo install cargo-ndk
+          rustup target add aarch64-linux-android armv7-linux-androideabi i686-linux-android x86_64-linux-android
       - name: Install ccache
         run: |
           sudo apt install -y ccache