Update 1 NuGet dependencies

Author: nfbot

nanoFramework.Runtime.Native.nuspec

@@ -19,7 +19,7 @@
 This package requires a target with nanoFramework.Runtime.Native v$nativeVersion$ (checksum $checksum$).</description>
     <tags>nanoFramework C# csharp netmf netnf </tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.17.11" />
+      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.4" />
     </dependencies>
   </metadata>
   <files>

nanoFramework.Runtime.Native/nanoFramework.Runtime.Native.nfproj

@@ -12,8 +12,7 @@
     <ProjectGuid>4C4AA37C-19D9-4C41-ADD0-BA83A0E593DA</ProjectGuid>
     <OutputType>Library</OutputType>
     <FileAlignment>512</FileAlignment>
-    <RootNamespace>
-    </RootNamespace>
+    <RootNamespace></RootNamespace>
     <AssemblyName>nanoFramework.Runtime.Native</AssemblyName>
     <TargetFrameworkVersion>v1.0</TargetFrameworkVersion>
     <NF_IsCoreLibrary>True</NF_IsCoreLibrary>
@@ -56,8 +55,8 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="mscorlib, Version=1.17.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.17.11\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.4\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />

nanoFramework.Runtime.Native/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.4" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.7.115" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>

nanoFramework.Runtime.Native/packages.lock.json

@@ -4,9 +4,9 @@
     ".NETnanoFramework,Version=v1.0": {
       "nanoFramework.CoreLibrary": {
         "type": "Direct",
-        "requested": "[1.17.11, 1.17.11]",
-        "resolved": "1.17.11",
-        "contentHash": "HezzAc0o2XrSGf85xSeD/6xsO6ohF9hX6/iMQ1IZS6Zw6umr4WfAN2Jv0BrPxkaYwzEegJxxZujkHoUIAqtOMw=="
+        "requested": "[2.0.0-preview.4, 2.0.0-preview.4]",
+        "resolved": "2.0.0-preview.4",
+        "contentHash": "am0Js4dpK0eVS609QW/6OQsmk96x7xVXUAk1Ca8vKpHx69fLCI523TuyKIWxnTp5U82FL+SQmRIdquSPDxXgHw=="
       },
       "Nerdbank.GitVersioning": {
         "type": "Direct",