Merge pull request #5 from rnelson/dependabot/nuget/xunit-2.9.3

Author: dependabot[bot]

Libexec.AspnetCore.EnvironmentHeaders.Tests/Libexec.AspnetCore.EnvironmentHeaders.Tests.csproj

@@ -16,7 +16,7 @@
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+        <PackageReference Include="xunit" Version="2.9.3" />
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           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>