Merge pull request #862 from microsoft/dependabot/nuget/Moq-4.18.1

Bump Moq from 4.18.0 to 4.18.1

Author: baywet

test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj

@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="Moq" Version="4.18.0" />
+    <PackageReference Include="Moq" Version="4.18.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="SharpYaml" Version="1.9.1" />
     <PackageReference Include="Verify" Version="16.7.1" />