use qemu on aarch64

.github/workflows/compat.yaml

@@ -128,6 +128,8 @@ jobs:
         coin: [monero, wownero]
     runs-on: ubuntu-latest
     steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0