Update 3 nuget dependencies

Author: github-actions[bot]

nanoFramework.WebServer.nuspec

@@ -26,13 +26,13 @@ Supports both HTTPS and HTTP.
     <copyright>Copyright (c) .NET Foundation and Contributors</copyright>
     <tags>http https webserver net netmf nf nanoframework</tags>
     <dependencies>
-      <dependency id="nanoFramework.CoreLibrary" version="1.10.5-alpha.145.6" />
-      <dependency id="nanoFramework.Runtime.Events" version="1.9.0-preview.27" />
+      <dependency id="nanoFramework.CoreLibrary" version="1.10.5-preview.4" />
+      <dependency id="nanoFramework.Runtime.Events" version="1.9.0-preview.28" />
       <dependency id="nanoFramework.System.Collections" version="1.2.0-preview.55" />
       <dependency id="nanoFramework.System.Text" version="1.1.1-preview.51" />
       <dependency id="nanoFramework.System.Net" version="1.6.5-preview.23" />
       <dependency id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.41" />
-      <dependency id="nanoFramework.Windows.Storage" version="1.4.4-preview.79" />
+      <dependency id="nanoFramework.Windows.Storage" version="1.4.4-preview.81" />
       <dependency id="nanoFramework.Windows.Storage.Streams" version="1.12.2-preview.6" />
     </dependencies>
   </metadata>

nanoFramework.WebServer/nanoFramework.WebServer.nfproj

@@ -45,11 +45,11 @@
   </ItemGroup>
   <ItemGroup>
     <Reference Include="mscorlib, Version=1.10.5.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.10.5-alpha.145.6\lib\mscorlib.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.CoreLibrary.1.10.5-preview.4\lib\mscorlib.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.9.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.9.0-preview.27\lib\nanoFramework.Runtime.Events.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Runtime.Events.1.9.0-preview.28\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.2.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
@@ -69,7 +69,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage, Version=1.4.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Windows.Storage.1.4.4-preview.79\lib\Windows.Storage.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Windows.Storage.1.4.4-preview.81\lib\Windows.Storage.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage.Streams, Version=1.12.2.0, 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-alpha.145.6" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.27" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.10.5-preview.4" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.28" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.2.0-preview.55" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Net" version="1.6.5-preview.23" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.41" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.1-preview.51" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.Windows.Storage" version="1.4.4-preview.79" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.Windows.Storage" version="1.4.4-preview.81" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Windows.Storage.Streams" version="1.12.2-preview.6" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
 </packages>