Update 2 NuGet dependencies

Author: nfbot

samples/Graphics/SimpleWpf/SimpleWpf.Esp32/SimpleWpf.Esp32.nfproj

@@ -52,6 +52,10 @@
     <Reference Include="nanoFramework.Runtime.Native">
       <HintPath>..\packages\nanoFramework.Runtime.Native.1.6.6\lib\nanoFramework.Runtime.Native.dll</HintPath>
     </Reference>
+    <Reference Include="nanoFramework.System.Collections, Version=1.5.18.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.5.18\lib\nanoFramework.System.Collections.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Device.Gpio">
       <HintPath>..\packages\nanoFramework.System.Device.Gpio.1.1.28\lib\System.Device.Gpio.dll</HintPath>
     </Reference>

samples/Graphics/SimpleWpf/SimpleWpf.Esp32/packages.config

@@ -6,5 +6,6 @@
   <package id="nanoFramework.ResourceManager" version="1.2.13" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.6" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.6.6" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="1.5.18" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Device.Gpio" version="1.1.28" targetFramework="netnano1.0" />
 </packages>

samples/WebSockets/WebSockets.Server.RgbSample/NFWebSockets.Server.RgbExample.nfproj

@@ -66,7 +66,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.WebServer, Version=1.2.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>packages\nanoFramework.WebServer.1.2.1\lib\nanoFramework.WebServer.dll</HintPath>
+      <HintPath>packages\nanoFramework.WebServer.1.2.3\lib\nanoFramework.WebServer.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Device.Adc, Version=1.1.6.1168, Culture=neutral, PublicKeyToken=c07d481e9758c731">

samples/WebSockets/WebSockets.Server.RgbSample/packages.config

@@ -23,7 +23,7 @@
   <package id="nanoFramework.System.Net.WebSockets.Server" version="1.1.68" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.2.37" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="1.1.19" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.WebServer" version="1.2.1" targetFramework="netnano1.0" />
+  <package id="nanoFramework.WebServer" version="1.2.3" targetFramework="netnano1.0" />
   <package id="nanoFramework.Windows.Storage" version="1.5.33" targetFramework="netnano1.0" />
   <package id="nanoFramework.Windows.Storage.Streams" version="1.14.24" targetFramework="netnano1.0" />
 </packages>