Bump package and assembly version to 4.0.0, enable package generation on build

Author: Jan5366x

MagicFileEncoding/MagicFileEncoding.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>net10.0</TargetFramework>
-        <PackageVersion>3.0.1</PackageVersion>
+        <PackageVersion>4.0.0</PackageVersion>
         <Title>Magic File Encoding</Title>
         <Authors>Jan Schwien</Authors>
         <Copyright>by Jan Schwien</Copyright>
@@ -19,7 +19,8 @@ Be aware of possible transformation issues if the target encoding is simpler tha
 It is strongly recommended to write unit tests for your use case to ensure the load and transformation works as expected.</Description>
         <Nullable>enable</Nullable>
         <LangVersion>14</LangVersion>
-        <AssemblyVersion>3.0.1</AssemblyVersion>
+        <AssemblyVersion>4.0.0</AssemblyVersion>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     </PropertyGroup>
 
     <PropertyGroup>