fix: 🚑️ correct version number in project file to match release version

Author: erlendellefsen

JsonApiToolkit/JsonApiToolkit.csproj

@@ -7,7 +7,7 @@
 
     <!-- Package metadata -->
     <PackageId>Intility.JsonApiToolkit</PackageId>
-    <Version>1.1.21-local</Version>
+    <Version>1.1.4</Version>
     <Authors>Intility</Authors>
     <Company>Intility</Company>
     <Description>A toolkit for implementing JSON:API specification in .NET applications</Description>