Merge pull request #235 from JoshKeegan/dependabot/nuget/xunit.core-2.7.1

Author: JoshKeegan

src/xRetry/xRetry.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit.core" Version="2.7.0" />
+    <PackageReference Include="xunit.core" Version="2.7.1" />
   </ItemGroup>
 
 </Project>