Add missing SELinux rule for ipa-custodia.sock
A SELinux rule for ipa_custodia_stream_connect(httpd_t) was not copied
from upstream rules. It breaks installations on systems that don't have
ipa_custodia_stream_connect in SELinux domain for apache, e.g. RHEL 8.3.
Fixes: https://pagure.io/freeipa/issue/8412
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Thomas Woerner <twoerner@redhat.com>