update bsd ci

.github/workflows/freebsd.yml

@@ -25,6 +25,7 @@ jobs:
         uses: vmactions/freebsd-vm@v0
         with:
           usesh: true
+          sync: sshfs
           mem: 4096
           copyback: false
           prepare: pkg install -y git curl unzip gmake llvm gsed bash perl5 openssl