chore: update version numbers

Author: kisvegabor

env_support/cmake/version.cmake

@@ -1,7 +1,7 @@
 set(LVGL_VERSION_MAJOR "9")
 set(LVGL_VERSION_MINOR "3")
 set(LVGL_VERSION_PATCH "0")
-set(LVGL_VERSION_INFO  "dev")
+set(LVGL_VERSION_INFO  "")
 
 set(LVGL_VERSION ${LVGL_VERSION_MAJOR}.${LVGL_VERSION_MINOR}.${LVGL_VERSION_PATCH}) # This is a CMake variable
 set(ENV{LVGL_VERSION} ${LVGL_VERSION}) # This is exported Environmental variable