Further fixes for build.

PkmnLibSharp/PkmnLibSharp.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <Configurations>Debug</Configurations>
+        <Configurations>Debug;Release</Configurations>
         <Platforms>x64</Platforms>
         <Nullable>enable</Nullable>
         <WarningsAsErrors>CS8600;CS8601;CS8602;CS8603;CS8604;CS8618</WarningsAsErrors>
@@ -12,6 +12,10 @@
     <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
       <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
+
+    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
+      <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    </PropertyGroup>
     <ItemGroup>
         <Content Include="Native\*.so.*">
             <CopyToOutputDirectory>Always</CopyToOutputDirectory>