Update dependency TextCopy to v6.2.1

Author: renovate[bot]

ScipDotnet.Tests/ScipDotnet.Tests.csproj

@@ -14,7 +14,7 @@
         <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
         <PackageReference Include="NUnit.Analyzers" Version="3.3.0" />
         <PackageReference Include="coverlet.collector" Version="3.1.2" />
-        <PackageReference Include="TextCopy" Version="6.2.0" />
+        <PackageReference Include="TextCopy" Version="6.2.1" />
         <PackageReference Include="Verify.NUnit" Version="19.3.0" />
     </ItemGroup>