ipa-certupdate: Update client certs before KDC/HTTPd restart
Apache HTTPd uses `/etc/ipa/ca.crt` to validate client certs.
`ipa-certupdate` now updates the file before it restarts HTTPd.
Fixes: https://pagure.io/freeipa/issue/9285
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>