Bump Microsoft.NET.Test.Sdk from 16.6.1 to 16.7.1 (#182)

Author: dependabot-preview[bot]

src/common.props

@@ -15,7 +15,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <XunitVersion>2.4.1</XunitVersion>
-    <TestSdkVersion>16.6.1</TestSdkVersion>
+    <TestSdkVersion>16.7.1</TestSdkVersion>
     <NBenchVersion>1.2.2</NBenchVersion>
   </PropertyGroup>
 </Project>