Update PublicApiGenerator

Author: SeanFeldman

test/Microsoft.Azure.ServiceBus.UnitTests/Microsoft.Azure.ServiceBus.UnitTests.csproj

@@ -26,7 +26,7 @@
     <compile Remove="..\..\test\Microsoft.Azure.ServiceBus.UnitTests\Diagnostics\ExtractActivityTests.cs" />
     <compile Remove="..\..\test\Microsoft.Azure.ServiceBus.UnitTests\Diagnostics\SessionDiagnosticsTests.cs" />
     <compile Remove="..\..\test\Microsoft.Azure.ServiceBus.UnitTests\Diagnostics\QueueClientDiagnosticsTests.cs" />
-    <compile Remove="..\..\test\Microsoft.Azure.ServiceBus.UnitTests\API\APIApprovals.cs" />
+     <compile Remove="..\..\test\Microsoft.Azure.ServiceBus.UnitTests\API\APIApprovals.cs" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
@@ -41,7 +41,7 @@
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="PublicApiGenerator" Version="8.0.1" />
+    <PackageReference Include="PublicApiGenerator" Version="8.1.0" />
     <PackageReference Include="ApprovalTests" Version="3.0.18" NoWarn="NU1701" />
     <PackageReference Include="ApprovalUtilities" Version="3.0.18" NoWarn="NU1701" />
     <PackageReference Include="Microsoft.Extensions.PlatformAbstractions" Version="1.1.0" />