There's a merged pull request on the void-packages repository

openntpd: update to 6.8p1
https://github.com/void-linux/void-packages/pull/27053

Description:
This is the first release in 3 years so definitely needs more testing.

They changed the config since the last release:

```diff
--- /etc/ntpd.conf	2020-12-09 09:51:41.839208968 -0800
+++ /etc/ntpd.conf.new-6.8p1_1	2020-12-09 08:03:15.000000000 -0800
@@ -1,7 +1,11 @@
-# $OpenBSD: ntpd.conf,v 1.14 2015/07/15 20:28:37 ajacoutot Exp $
+# $OpenBSD: ntpd.conf,v 1.16 2019/11/06 19:04:12 deraadt Exp $
 #
 # See ntpd.conf(5) and /etc/examples/ntpd.conf
 
 servers pool.ntp.org
+server time.cloudflare.com
 sensor *
-constraints from "https://www.google.com"
+
+constraint from "9.9.9.9"              # quad9 v4 without DNS
+constraint from "2620:fe::fe"          # quad9 v6 without DNS
+constraints from "www.google.com"      # intentionally not 8.8.8.8
```