Update a few nuget dependencies

Author: AArnott

src/Cake.GitVersioning.Tests/Cake.GitVersioning.Tests.csproj

@@ -15,7 +15,7 @@
     <ProjectReference Include="..\NerdBank.GitVersioning\NerdBank.GitVersioning.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="Nerdbank.GitVersioning.LKG" Version="3.4.173-alpha" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">

src/Directory.Build.props

@@ -24,9 +24,9 @@
     <LibGit2SharpNativeVersion>2.0.312</LibGit2SharpNativeVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
-    <PackageReference Include="CSharpIsNullAnalyzer" Version="0.1.288-beta">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
+    <PackageReference Include="CSharpIsNullAnalyzer" Version="0.1.300">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>