Update 3 nuget dependencies

Author: github-actions[bot]

nanoFramework.WebServer.nuspec

@@ -28,10 +28,10 @@ Supports both HTTPS and HTTP.
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.10.4-preview.11" />
       <dependency id="nanoFramework.Runtime.Events" version="1.9.0-preview.26" />
-      <dependency id="nanoFramework.System.Collections" version="1.2.0-preview.51" />
-      <dependency id="nanoFramework.System.Text" version="1.1.1-preview.49" />
+      <dependency id="nanoFramework.System.Collections" version="1.2.0-preview.53" />
+      <dependency id="nanoFramework.System.Text" version="1.1.1-preview.50" />
       <dependency id="nanoFramework.System.Net" version="1.6.5-preview.21" />
-      <dependency id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.35" />
+      <dependency id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.37" />
       <dependency id="nanoFramework.Windows.Storage" version="1.4.4-preview.75" />
       <dependency id="nanoFramework.Windows.Storage.Streams" version="1.12.2-preview.3" />
     </dependencies>

nanoFramework.WebServer/nanoFramework.WebServer.nfproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup Label="Globals">
     <NanoFrameworkProjectSystemPath>$(MSBuildToolsPath)..\..\..\nanoFramework\v1.0\</NanoFrameworkProjectSystemPath>
@@ -53,19 +53,19 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Collections, Version=1.2.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.2.0-preview.51\lib\nanoFramework.System.Collections.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Collections.1.2.0-preview.53\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.1.1.1-preview.49\lib\nanoFramework.System.Text.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Text.1.1.1-preview.50\lib\nanoFramework.System.Text.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.6.5.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Net.1.6.5-preview.21\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.3.4-preview.35\lib\System.Net.Http.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.3.4-preview.37\lib\System.Net.Http.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage, Version=1.4.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">

nanoFramework.WebServer/packages.config

@@ -2,10 +2,10 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.10.4-preview.11" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.9.0-preview.26" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.2.0-preview.51" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.2.0-preview.53" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Net" version="1.6.5-preview.21" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.35" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Text" version="1.1.1-preview.49" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.37" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Text" version="1.1.1-preview.50" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Windows.Storage" version="1.4.4-preview.75" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Windows.Storage.Streams" version="1.12.2-preview.3" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />