Fixed a warning about using the icon link for the nuget package, so we now use an icon.png

Updated the build to use the most current dotnet core and also the nerdbank gitversion.

azure-pipelines.yml

@@ -29,10 +29,10 @@ stages:
     - task: NuGetToolInstaller@1
 
     - task: UseDotNet@2
-      displayName: 'Use .NET Core sdk 3.1'
+      displayName: 'Use .NET Core sdk 3.1.2'
       inputs:
         packageType: sdk
-        version: 3.1.101
+        version: 3.1.201
 
     - task: DotNetCoreCLI@2
       displayName: Build

src/Directory.Build.props

@@ -8,7 +8,7 @@
     <Copyright>Copyright (c) 2009-2020 Philipp Sumi</Copyright>
     <Company>hardcodet.net</Company>
     <Authors>Philipp Sumi</Authors>
-    <PackageIconUrl>http://www.hardcodet.net/wp-content/themes/inove/favicon.ico</PackageIconUrl>
+    <PackageIcon>icon.png</PackageIcon>
     <RepositoryUrl>https://github.com/hardcodet/wpf-notifyicon</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageProjectUrl>hhttp://www.hardcodet.net/projects/wpf-notifyicon</PackageProjectUrl>
@@ -49,11 +49,12 @@ Source code and extensive sample application available at http://www.hardcodet.n
       </PropertyGroup>
 
       <ItemGroup>
-        <PackageReference Include="Nerdbank.GitVersioning" Version="3.0.50">
+        <PackageReference Include="Nerdbank.GitVersioning" Version="3.1.91">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
+        <None Include="$(SolutionDir)\icon.png" Pack="true" PackagePath="\"/>
       </ItemGroup>
 
       <!-- SourceLink -->

src/global.json

@@ -1,5 +1,6 @@
 {
-    "msbuild-sdks": {
-    	"MSBuild.Sdk.Extras": "1.6.65"
-    }
+  "sdk": {
+    "version": "3.1.200",
+    "rollForward": "latestPatch"
+  }
 }