3 updates

Wed Apr  5 18:31:03 UTC 2023
d/cmake-3.26.3-i586-1.txz:  Upgraded.
l/zstd-1.5.5-i586-1.txz:  Upgraded.
n/ntp-4.2.8p15-i586-13.txz:  Rebuilt.
  Added ntpdate.8 manpage from Debian. Thanks to Stuart Winter.