build: use last matching qemu version (#144)

.github/workflows/tests.yml

@@ -231,7 +231,7 @@ jobs:
         QEMU_SRC: "http://archive.ubuntu.com/ubuntu/pool/universe/q/qemu"
         QEMU_VER: "qemu-user-static_4\\.2-.*_amd64.deb$"
       run: |
-        DEB=`curl -s $QEMU_SRC/ | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 | grep $QEMU_VER`
+        DEB=`curl -s $QEMU_SRC/ | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 | grep $QEMU_VER | tail -1`
         wget $QEMU_SRC/$DEB
         sudo dpkg -i $DEB
     - name: Install ${{ matrix.config.toolchain }}