dontaudit spc_t to mmap_zero

[rhatdan]

For some apps running under docker, docker attempts emulation mode triggering this AVC.

No reason to now allow it.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2297712

[packit-as-a-service[bot]]

Tests failed. @containers/packit-build please check.