Update to version 2.1.0.

Author: MaxSagebaum

documentation/Changelog.md

@@ -1,7 +1,7 @@
 Changelog {#Changelog}
 ===========================
 
-### v 2.* - ????-??-??
+### v 2.1.0 - 2023-05-10
  - Features:
    * Helpers for linear system solvers. See Example 21 for details.
    * Event system. See Example 22 for details.

include/codi.hpp

@@ -81,9 +81,9 @@
 namespace codi {
 
 #define CODI_MAJOR_VERSION 2
-#define CODI_MINOR_VERSION 0
-#define CODI_BUILD_VERSION 2
-#define CODI_VERSION "2.0.2"
+#define CODI_MINOR_VERSION 1
+#define CODI_BUILD_VERSION 0
+#define CODI_VERSION "2.1.0"
 
   /// General forward AD type. See \ref sec_forwardAD for a forward mode AD explanation or \ref ActiveTypeList for a
   /// list of all types.