Sync udpates from Debian Buster

libdatetime-timezone-perl (1:2.23-1+2021a) buster; urgency=medium

• Update to Olson database version 2021a. This update includes contemporary changes for South Sudan.
• Fix typos in previous changelog entries.

libdatetime-timezone-perl (1:2.23-1+2020e) buster; urgency=medium

• Update to Olson database version 2020e. This update includes contemporary changes for Russia (Volgograd).

debian/changelog

+libdatetime-timezone-perl (1:2.23-1+2021a+apertis1) apertis; urgency=medium
+
+  * Sync updates from Debian Buster
+
+ -- Ritesh Raj Sarraf <ritesh.sarraf@collabora.com>  Thu, 22 Jul 2021 21:58:11 +0530
+
 libdatetime-timezone-perl (1:2.23-1+2021a) buster; urgency=medium
 
   * Update to Olson database version 2021a.