Pin DART_BRIDGE_VERSION to 1.2.3 for Linux (DT_RPATH $ORIGIN)

Author: FeodorFitsner

src/serious_python_linux/linux/CMakeLists.txt

@@ -17,7 +17,7 @@ set(PYTHON_ARCH ${CMAKE_HOST_SYSTEM_PROCESSOR})
 if(DEFINED ENV{DART_BRIDGE_VERSION})
   set(DART_BRIDGE_VERSION "$ENV{DART_BRIDGE_VERSION}")
 else()
-  set(DART_BRIDGE_VERSION "1.2.2")
+  set(DART_BRIDGE_VERSION "1.2.3")
 endif()
 project(${PROJECT_NAME} LANGUAGES CXX)