- Update to 4.1
* Add support for NTS servers specified by IP address (matching
Subject Alternative Name in server certificate)
* Add source-specific configuration of trusted certificates
* Allow multiple files and directories with trusted certificates
* Allow multiple pairs of server keys and certificates
* Add copy option to server/pool directive
* Increase PPS lock limit to 40% of pulse interval
* Perform source selection immediately after loading dump files
* Reload dump files for addresses negotiated by NTS-KE server
* Update seccomp filter and add less restrictive level
* Restart ongoing name resolution on online command
* Fix dump files to not include uncorrected offset
* Fix initstepslew to accept time from own NTP clients
* Reset NTP address and port when no longer negotiated by NTS-KE
server
- Update clknetsim to snapshot f89702d.
- Refresh chrony.keyring from
https://chrony.tuxfamily.org/gpgkey-8F375C7E8D0EE125A3D3BD51537E2B76F7680DAC.asc
- Ensure the correct pool packages are installed for openSUSE
and SLE (bsc#1180689).

- Enable syscallfilter unconditionally [boo#1181826].

- drop buildrequires on NSS. We need gnutls for NTS anyway and we
can do all the other required crypto via nettle+gnutls. no need
for another crypto library.

- Update to 4.0
- Enhancements