fix dependency leak

Author: trympet

StronglyTypedDictionaryGenerator/StronglyTypedDictionaryGenerator.csproj

@@ -33,9 +33,9 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" />
-		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-		<PackageReference Include="Scriban" Version="5.0.0" Pack="false" IncludeAssets="build" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" PrivateAssets="all" />
+		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" PrivateAssets="all" />
+		<PackageReference Include="Scriban" Version="5.0.0" Pack="false" IncludeAssets="build" PrivateAssets="all" />
 	</ItemGroup>
 
 	<ItemGroup>