[200_22] bump to Mogan STEM v2026.2.0-rc1 (#2780)

Author: MoonL79

devel/200_22.md

@@ -1,5 +1,7 @@
 # 200_22: 设计一套方案，可以方便的打包 Mogan STEM 和 Liii STEM
 
+## 2026/02/09 v2026.2.0-rc1    打包
+
 ## 2026/01/23 v2026.1.2        打包
 
 ## 2026/01/23 v2026.1.2-rc4    打包

xmake/vars.lua

@@ -9,7 +9,7 @@
 -- It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
 -- in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
 
-XMACS_VERSION="2026.1.2"
+XMACS_VERSION="2026.2.0-rc1"
 TEXMACS_VERSION = "2.1.2"
 GOLDFISH_VERSION = "17.11.2"
 DEVEL_VERSION = TEXMACS_VERSION