Update client version to 1.12.1

Author: Enkidu93

src/Serval/src/Serval.Client/Serval.Client.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFramework>netstandard2.1</TargetFramework>
-		<Version>1.12.0</Version>
+		<Version>1.12.1</Version>
 		<Description>Client classes for Serval.</Description>
 		<RootNamespace>Serval.Client</RootNamespace>
 		<Product>Serval</Product>