Issue #125: Fix CI, debian sid "chrony" needs "adduser" to support "--comment"

ubuntu's `adduser` does not support `--comment`

Try `ntp` instead

Author: nyetwurk

.github/workflows/release.yml

@@ -25,6 +25,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y \
             gnupg \
+            ntp \
             libudev-dev \
             libsasl2-dev \
             libssl-dev \

.github/workflows/test.yml

@@ -24,6 +24,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y \
             gnupg \
+            ntp \
             libudev-dev \
             libsasl2-dev \
             libssl-dev \