ci: switch to freebsd-firecracker-action

.github/workflows/test.yml

@@ -280,16 +280,13 @@ jobs:
       - run: sudo systemctl start ssh
 
       - name: test
-        uses: vmactions/freebsd-vm@v1
+        uses: acj/freebsd-firecracker-action@v0.5.0
         with:
-          usesh: true
-          prepare: |
+          run: |
             sed 's/quarterly/latest/g' /etc/pkg/FreeBSD.conf
             pkg update -f
             pkg upgrade -y
             pkg install -y wget
-
-          run: |
             # switch to pkg
             wget https://ziglang.org/builds/zig-x86_64-freebsd-0.15.0-dev.777+6810ffa42.tar.xz
             tar -xf zig-x86_64-freebsd-0.15.0-dev.777+6810ffa42.tar.xz