Update 2 NuGet dependencies

Author: github-actions[bot]

nanoFramework.SignalR.Client.nuspec

@@ -23,8 +23,8 @@
       <dependency id="nanoFramework.Json" version="2.1.2-preview.35" />
       <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" />
       <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.7" />
-      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.23" />
-      <dependency id="nanoFramework.System.Net.WebSockets.Client" version="1.0.0-preview.71" />
+      <dependency id="nanoFramework.System.Net" version="1.8.0-preview.26" />
+      <dependency id="nanoFramework.System.Net.WebSockets.Client" version="1.0.0-preview.72" />
       <dependency id="nanoFramework.System.Text" version="1.1.3-preview.7" />
       <dependency id="nanoFramework.System.Threading" version="1.0.4-preview.8" />
       <dependency id="nanoFramework.Windows.Storage.Streams" version="1.12.4-preview.14" />

nanoFramework.SignalR.Client/nanoFramework.SignalR.Client.nfproj

@@ -64,11 +64,11 @@
       <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.23\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.8.0-preview.26\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.WebSockets, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.WebSockets.Client.1.0.0-preview.71\lib\System.Net.WebSockets.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.WebSockets.Client.1.0.0-preview.72\lib\System.Net.WebSockets.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading, Version=1.0.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">

nanoFramework.SignalR.Client/packages.config

@@ -4,8 +4,8 @@
   <package id="nanoFramework.Json" version="2.1.2-preview.35" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.6" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.4.0-preview.14" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net" version="1.8.0-preview.23" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Net.WebSockets.Client" version="1.0.0-preview.71" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net" version="1.8.0-preview.26" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Net.WebSockets.Client" version="1.0.0-preview.72" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.3-preview.13" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Threading" version="1.0.4-preview.14" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Windows.Storage.Streams" version="1.12.4-preview.14" targetFramework="netnanoframework10" />