Switch sync method from sshfs to nfs in CI workflow

Updated the CI workflow to use NFS for syncing instead of SSHFS. This may improve performance or compatibility in the build environment.

Author: ReenigneArcher

.github/workflows/ci.yml

@@ -459,7 +459,7 @@ jobs:
           release: ${{ matrix.bsd_release }}
           run: |
             git config --global --add safe.directory "*"
-          sync: sshfs
+          sync: nfs
 
       - name: Setup ENV
         id: root