Bump version to 2.1.2

Author: AlexaraWu

sjtutex/source/sjtutex.dtx

@@ -335,15 +335,15 @@
 %<font&cjk&founder&zh>\ProvidesExplFile{sjtu-cjk-font-founder-zh.def}
 %<font&cjk&founder&ja>  {Founder CJK fonts definition for Japanese (SJTUTeX)}
 %<font&cjk&founder&ja>\ProvidesExplFile{sjtu-cjk-font-founder-ja.def}
-%<!driver>  {\ExplFileDate}{2.1.1}{\ExplFileDescription}
+%<!driver>  {\ExplFileDate}{2.1.2}{\ExplFileDescription}
 %</!(driver|install)>
 %
 %<*driver>
 \PassOptionsToPackage{fontset=ubuntu}{ctex}
 \documentclass{ctxdoc}
 \newcommand{\sjtutex}{SJTU\TeX}
 \expandafter\def\csname ver@\jobname.dtx\endcsname
-  {2024/03/23 v2.1.1 SJTUTeX}
+  {2024/04/05 v2.1.2 SJTUTeX}
 \usepackage{float}
 \usepackage{multirow}
 \usepackage{longtable}
@@ -5317,7 +5317,7 @@
 %    \end{macrocode}
 % \end{macro}
 %
-% \changes{unreleased}{2024/03/31}{改用 \pkg{titletoc} 设置目录格式。}
+% \changes{v2.1.2}{2024/03/31}{改用 \pkg{titletoc} 设置目录格式。}
 %    \begin{macrocode}
 \tl_set:Nn \SJTU@leaders { \titlerule* [ 4bp ] { . } }
 \contentsmargin [ 2.55 em ] { 0 pt }