Allow sssd create and use io_uring

[zpytela]

The commit addresses the following AVC denials: avc: denied { create } for pid=879 comm="nsupdate" anonclass=[io_uring] scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:object_r:io_uring_t:s0 tclass=anon_inode permissive=1 avc: denied { map } for pid=879 comm="nsupdate" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=11274 scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:object_r:io_uring_t:s0 tclass=anon_inode permissive=1 avc: denied { read write } for pid=879 comm="nsupdate" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=11274 scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:object_r:io_uring_t:s0 tclass=anon_inode permissive=1

Resolves: rhbz#2276937