fix: correct Testing United 2026 dates

Author: Copilot

Gemfile.lock

@@ -136,7 +136,7 @@ GEM
     http_parser.rb (0.8.1)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    io-event (1.14.3)
+    io-event (1.11.2)
     jekyll (3.10.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -338,4 +338,4 @@ RUBY VERSION
    ruby 3.2.7p253
 
 BUNDLED WITH
-   2.4.19
+   2.4.17

_data/current.yml

@@ -248,6 +248,6 @@
 
 - name: Testing United
   location: Copenhagen, Denmark
-  dates: "November 23-24, 2026"
+  dates: "November 25-26, 2026"
   url: "https://www.testingunited.com/?utm_source=testingconferences"
   status: <a href="https://www.eventora.com/en/Events/testing-united?utm_source=testingconferences" target="_blank">Early Bird Registration is Open</a> until June 30, 2026