Update 1 NuGet dependencies

Author: github-actions[bot]

nanoFramework.Azure.Devices.Client.nuspec

@@ -22,7 +22,7 @@ This is an SDK for Azure IoT Hub using MQTT broker.</description>
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.12.0-preview.19" />
       <dependency id="nanoFramework.Json" version="2.1.2-preview.64" />
-      <dependency id="nanoFramework.M2Mqtt" version="5.0.2-preview.89" />
+      <dependency id="nanoFramework.M2Mqtt" version="5.0.2-preview.91" />
       <dependency id="nanoFramework.Runtime.Events" version="1.10.0-preview.13" />
       <dependency id="nanoFramework.Runtime.Native" version="1.5.4-preview.10" />
       <dependency id="nanoFramework.System.Collections" version="1.4.0-preview.21" />

nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj

@@ -66,7 +66,7 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.M2Mqtt, Version=5.0.2.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.5.0.2-preview.89\lib\nanoFramework.M2Mqtt.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.M2Mqtt.5.0.2-preview.91\lib\nanoFramework.M2Mqtt.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.10.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">

nanoFramework.Azure.Devices.Client/packages.config

@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.12.0-preview.19" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Json" version="2.1.2-preview.64" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.M2Mqtt" version="5.0.2-preview.89" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.M2Mqtt" version="5.0.2-preview.91" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.10.0-preview.13" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Native" version="1.5.4-preview.10" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Collections" version="1.4.0-preview.27" targetFramework="netnanoframework10" />