Add Memgraph v3.11.0 and Lab v3.11.0 release note titles

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: gitbuda

pages/release-notes.mdx

@@ -46,6 +46,12 @@ guide.
 
 ## 🚀 Latest release
 
+### Memgraph v3.11.0 - June 17th, 2026
+
+### Lab v3.11.0 - June 16th, 2026
+
+<LabReleasesClient version="3.11.0" />
+
 ### Memgraph v3.10.0 - May 13th, 2026
 
 {<h4 className="custom-header">⚠️ Breaking changes</h4>}