ci: install missing aarch64 toolchain

Author: silenium-dev

.github/workflows/build.yaml

@@ -42,6 +42,9 @@ jobs:
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Install aarch64 dependencies
+        shell: bash
+        run: sudo apt-get install -y qemu-user-static binfmt-support gcc-aarch64-linux-gnu g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
       - uses: silenium-dev/actions/jni-natives/ubuntu@main
         with:
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}