Update 1 NuGet dependencies

***NO_CI***

Author: nfbot

Tests/UnitTestsSerialPort/UnitTestsSerialPort.nfproj

@@ -43,8 +43,8 @@
     <Reference Include="mscorlib, Version=1.17.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.17.1\lib\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.Hardware.Esp32, Version=1.6.30.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.Hardware.Esp32.1.6.30\lib\nanoFramework.Hardware.Esp32.dll</HintPath>
+    <Reference Include="nanoFramework.Hardware.Esp32, Version=1.6.31.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.Hardware.Esp32.1.6.31\lib\nanoFramework.Hardware.Esp32.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.30.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.Runtime.Events.1.11.30\lib\nanoFramework.Runtime.Events.dll</HintPath>

Tests/UnitTestsSerialPort/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.17.1" targetFramework="netnano1.0" />
-  <package id="nanoFramework.Hardware.Esp32" version="1.6.30" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Hardware.Esp32" version="1.6.31" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.30" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.88" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.3.29" targetFramework="netnano1.0" />

Tests/UnitTestsSerialPort/packages.lock.json

@@ -10,9 +10,9 @@
       },
       "nanoFramework.Hardware.Esp32": {
         "type": "Direct",
-        "requested": "[1.6.30, 1.6.30]",
-        "resolved": "1.6.30",
-        "contentHash": "7auLpxj5Lyi12tqC2RJOuYQMIhP+zxgZuVrgeq2hSbdE8YaMV65yLWbxzQivxWjyUD3HeLxGHHOgYBPuHjbi2Q=="
+        "requested": "[1.6.31, 1.6.31]",
+        "resolved": "1.6.31",
+        "contentHash": "JE0ZILxmYPl8u2mF7IB/ODoOCGbC876wW1+cAUUmLiYcEhg/Ed749kvy5lHBO37hIKr19A6VQ91eniZ+hLRDPg=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",