chore(ci): move to next version [BUMP BETA] (#5298)

platform/docs/docs/migration-guide/3p10-to-3p11/index.md

@@ -1,6 +1,6 @@
 ---
 sidebar_position: 1
-sidebar_label: 3.10 -> 3.11 beta
+sidebar_label: 3.10 -> 3.11
 ---
 
 # Migration Guide

platform/docs/docs/migration-guide/3p11-to-3p12/index.md

@@ -0,0 +1,8 @@
+---
+sidebar_position: 1
+sidebar_label: 3.11 -> 3.12 beta
+---
+
+# Migration Guide
+
+This guide provides information about migrating from OHIF version 3.11 to version 3.12 beta