meson.build: fix the version number (#1432)

Co-authored-by: Jordan Bayles <bayles.jordan@gmail.com>

Author: heitbaum

meson.build

@@ -9,7 +9,7 @@ project(
   # 2. /include/json/version.h
   # 3. /CMakeLists.txt
   # IMPORTANT: also update the SOVERSION!!
-  version : '1.9.4',
+  version : '1.9.5',
   default_options : [
     'buildtype=release',
     'cpp_std=c++11',