ci(vagrant): replace FreeBSD 12.2 with 12.3 [skip ci]

* Automated using https://github.com/myii/ssf-formula/pull/395

kitchen.vagrant.yml

@@ -21,14 +21,12 @@ platforms:
   - name: freebsd-130-master-py3
     driver:
       box: myii/freebsd-13.0-master-py3
-      synced_folders: []  # https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255208
-  - name: freebsd-122-master-py3
+  - name: freebsd-123-master-py3
     driver:
-      box: myii/freebsd-12.2-master-py3
+      box: myii/freebsd-12.3-master-py3
   - name: freebsd-130-3004-0-py3
     driver:
       box: myii/freebsd-13.0-3004.0-py3
-      synced_folders: []  # https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255208
-  - name: freebsd-122-3004-0-py3
+  - name: freebsd-123-3004-0-py3
     driver:
-      box: myii/freebsd-12.2-3004.0-py3
+      box: myii/freebsd-12.3-3004.0-py3