Update 4 NuGet dependencies

Author: nfbot

nanoFramework.WebServer.nuspec

@@ -27,12 +27,12 @@ Supports both HTTPS and HTTP.
     <tags>http https webserver net netmf nf nanoframework</tags>
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.10.5" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.9.2-preview.5" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.9.2-preview.8" />
       <dependency id="nanoFramework.System.Collections" version="1.2.0" />
       <dependency id="nanoFramework.System.Text" version="1.1.1" />
-      <dependency id="nanoFramework.System.Net" version="1.7.1-preview.6" />
-      <dependency id="nanoFramework.System.Net.Http.Server" version="1.3.5-preview.5" />
-      <dependency id="nanoFramework.Windows.Storage" version="1.4.5-preview.5" />
+      <dependency id="nanoFramework.System.Net" version="1.7.1-preview.9" />
+      <dependency id="nanoFramework.System.Net.Http.Server" version="1.3.5-preview.8" />
+      <dependency id="nanoFramework.Windows.Storage" version="1.4.5-preview.7" />
       <dependency id="nanoFramework.Windows.Storage.Streams" version="1.12.2" />
     </dependencies>
   </metadata>

nanoFramework.WebServer/nanoFramework.WebServer.nfproj

@@ -49,7 +49,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.9.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.9.2-preview.5\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.9.2-preview.8\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.2.0.3, Culture=neutral, PublicKeyToken=c07d481e9758c731">
@@ -61,15 +61,15 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.7.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.7.1-preview.6\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.7.1-preview.9\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http, Version=1.3.5.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.3.5-preview.5\lib\System.Net.Http.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.3.5-preview.8\lib\System.Net.Http.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage, Version=1.4.5.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Windows.Storage.1.4.5-preview.5\lib\Windows.Storage.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Windows.Storage.1.4.5-preview.7\lib\Windows.Storage.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage.Streams, Version=1.12.2.3, Culture=neutral, PublicKeyToken=c07d481e9758c731">

nanoFramework.WebServer/packages.config

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.10.5" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.9.2-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.9.2-preview.8" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.2.0" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.7.1-preview.6" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net.Http.Server" version="1.3.5-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.7.1-preview.9" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net.Http.Server" version="1.3.5-preview.8" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.1" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Windows.Storage" version="1.4.5-preview.5" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Windows.Storage" version="1.4.5-preview.7" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Windows.Storage.Streams" version="1.12.2" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.4.205" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>