passwd: update home dir for 'sssd' service user

Starting sssd-2.10 that is shipped in F41+ and C10S,
home dir for 'sssd' service user is set to '/run/sssd'

Take a note that it's not the case yet for sssd-2.9-
that is currently shipped in C9S.

tier-0/passwd

@@ -23,7 +23,7 @@ rpc:x:32:32:Rpcbind Daemon:/var/lib/rpcbind:/usr/sbin/nologin
 rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/usr/sbin/nologin
 shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
 sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/usr/sbin/nologin
-sssd:x:995:993:User for sssd:/:/usr/sbin/nologin
+sssd:x:995:993:User for sssd:/run/sssd:/usr/sbin/nologin
 sync:x:5:0:sync:/sbin:/bin/sync
 systemd-bus-proxy:x:989:988:systemd Bus Proxy:/:/usr/sbin/nologin
 systemd-network:x:991:990:systemd Network Management:/:/usr/sbin/nologin