Changelog:
The is_dst flag is wrong for Europe/Dublin on some Unix releases. It is changed to another way of determining if DST is in effect or not.

Signed-off-by: Algent Albrahimi <algent@protonmail.com>

• Rebuild python-apscheduler against this package.
• Update python-croniter against this package.
• Run safeeyes and take some breaks.
• Run the example:

Python 3.7.11 (default, Jun 30 2021, 19:18:38) 
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from tzlocal import get_localzone
>>> tz = get_localzone()
>>> tz
<DstTzInfo 'Europe/Tirane' LMT+1:19:00 STD>
>>>