Bump soversion to 24 (#1167)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd978bb..01b8c9d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,7 +71,7 @@
         LANGUAGES CXX)
 
 message(STATUS "JsonCpp Version: ${JSONCPP_VERSION_MAJOR}.${JSONCPP_VERSION_MINOR}.${JSONCPP_VERSION_PATCH}")
-set(JSONCPP_SOVERSION 23)
+set(JSONCPP_SOVERSION 24)
 
 option(JSONCPP_WITH_TESTS "Compile and (for jsoncpp_check) run JsonCpp test executables" ON)
 option(JSONCPP_WITH_POST_BUILD_UNITTEST "Automatically run unit-tests as a post build step" ON)
diff --git a/meson.build b/meson.build
index 975d56c..75ec974 100644
--- a/meson.build
+++ b/meson.build
@@ -50,7 +50,7 @@
     'src/lib_json/json_value.cpp',
     'src/lib_json/json_writer.cpp',
   ]),
-  soversion : 23,
+  soversion : 24,
   install : true,
   include_directories : jsoncpp_include_directories,
   cpp_args: dll_export_flag)