Update 3 NuGet dependencies

Author: github-actions[bot]

nanoFramework.WebServer.nuspec

@@ -25,8 +25,8 @@ Supports both HTTPS and HTTP.</description>
       <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.11" />
       <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.24" />
       <dependency id="nanoFramework.System.Text" version="1.1.3-preview.4" />
-      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.32" />
-      <dependency id="nanoFramework.System.Net.Http.Server" version="1.4.0-preview.39" />
+      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.35" />
+      <dependency id="nanoFramework.System.Net.Http.Server" version="1.4.0-preview.40" />
       <dependency id="nanoFramework.Windows.Storage" version="1.4.6-preview.34" />
       <dependency id="nanoFramework.Windows.Storage.Streams" version="1.12.4-preview.19" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4-preview.6" />

nanoFramework.WebServer/nanoFramework.WebServer.nfproj

@@ -61,15 +61,15 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.IO.Streams, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.IO.Streams.1.0.0-preview.12\lib\System.IO.Streams.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.IO.Streams.1.0.0-preview.15\lib\System.IO.Streams.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.8.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.32\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.35\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http, Version=1.4.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.4.0-preview.39\lib\System.Net.Http.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.4.0-preview.40\lib\System.Net.Http.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading, Version=1.0.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">

nanoFramework.WebServer/packages.config

@@ -3,9 +3,9 @@
   <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.18" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.11" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.4.0-preview.24" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.IO.Streams" version="1.0.0-preview.12" />
-  <package id="nanoFramework.System.Net" version="1.8.0-preview.32" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net.Http.Server" version="1.4.0-preview.39" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.IO.Streams" version="1.0.0-preview.15" />
+  <package id="nanoFramework.System.Net" version="1.8.0-preview.35" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net.Http.Server" version="1.4.0-preview.40" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.3-preview.19" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Threading" version="1.0.4-preview.20" />
   <package id="nanoFramework.Windows.Storage" version="1.4.6-preview.34" targetFramework="netnanoframework10" />