Bump lib version to 2.2.4

Author: rickyah

src/IniFileParser/Properties/AssemblyInfo.cs

@@ -30,5 +30,5 @@
 //
 // You can specify all the values or you can default the Revision and Build Numbers 
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("2.2.2")]
-[assembly: AssemblyFileVersion("2.2.2")]
+[assembly: AssemblyVersion("2.2.4")]
+[assembly: AssemblyFileVersion("2.2.4")]