Update variables.yml

Author: Andriciuc

variables.yml

@@ -5,10 +5,11 @@ release: 'release-notes-v18.4.1'
 dockertag: '18.4'
 pgsubversion: '18.4'
 pgversion: '18'
-pspgversion: '18.4.1' #change version for release note update
+pspgversion: '18.4.1' 
 pgsmversion: '2.3.2'
 
-# Dates are automatically updated by CI on release merge
+
 date:
-  18_3_1: 2026-05-05
+  18_4_1: 2026-05-15
+  18_3_1: 2026-03-02
   18_1_1: 2025-11-28