test(_mapdata): update verification files for FreeBSD [skip ci]

test/integration/default/files/_mapdata/freebsd-12.yaml

     pygit2: py38-pygit2
     python_dulwich: py38-dulwich
     python_git: py38-gitpython
-    release: '3003'
+    release: '3004'
     restart_via_at: false
     retry_options:
       attempts: 5

test/integration/default/files/_mapdata/freebsd-13.yaml

     pygit2: py38-pygit2
     python_dulwich: py38-dulwich
     python_git: py38-gitpython
-    release: '3003'
+    release: '3004'
     restart_via_at: false
     retry_options:
       attempts: 5