[Autobackout][FunctionalRegression]Revert of change: e6a8ee6: Changes in code

Changes in code

Author: sys-igc

IGC/CMakeLists.txt

@@ -35,7 +35,7 @@ if(NOT DEFINED IGC_API_MAJOR_VERSION)
   set(IGC_API_MAJOR_VERSION 2)
 endif()
 if(NOT DEFINED IGC_API_MINOR_VERSION)
-  set(IGC_API_MINOR_VERSION 21)
+  set(IGC_API_MINOR_VERSION 20)
 endif()
 if(NOT DEFINED IGC_API_PATCH_VERSION)
   set(IGC_API_PATCH_VERSION 0)