Add tester's day 2026

Author: Selfeer

_data/current.yml

@@ -172,6 +172,12 @@
   twitter: lambdatesting
   status: <a href="https://www.testmuai.com/testmuconf-2026?utm_source=STC&utm_medium=organic&utm_content=testmu_2026" target="_blank">Registration is Open</a> | <a href="https://forms.gle/enGiaSQiX7DrCqXJ6" target="_blank">CFP is Open until May 31, 2026</a>
 
+- name: Tester's Day 2026
+  location: Tbilisi, Georgia
+  dates: "September 8-9, 2026"
+  url: https://geostqb.org/call-for-speakers-testers-day-2026/
+  status: <a href="https://events.summit-community.de/event/tacon-2026/tickets/?utm_source=testingconferences" target="_blank">CFP is Open</a> until May 20, 2026
+
 - name: TACON 2026
   location: Leipzig, Germany
   dates: "September 16-17, 2026"