Add missing KVM setup

.github/workflows/build.yml

@@ -104,6 +104,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Setup KVM
+        shell: bash
+        run: |
+          # check if virtualization is supported...
+          sudo apt install -y --no-install-recommends cpu-checker coreutils && echo "CPUs=$(nproc --all)" && kvm-ok
+          # allow access to KVM to run the emulator
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' \
+            | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+
       - name: Download APK artifact
         uses: actions/download-artifact@v4
         with: