Bump log4net from 2.0.8 to 2.0.10 in /Src/NHibernate.Envers.Tests

Bumps [log4net](https://github.com/apache/logging-log4net) from 2.0.8 to 2.0.10.
- [Release notes](https://github.com/apache/logging-log4net/releases)
- [Changelog](https://github.com/apache/logging-log4net/blob/master/ReleaseInstructions.txt)
- [Commits](apache/logging-log4net@rel/2.0.8...rel/2.0.10)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Src/NHibernate.Envers.Tests/NHibernate.Envers.Tests.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="NUnit3TestAdapter" Version="3.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.6.1" />
     <PackageReference Include="SharpTestsEx" Version="2.0.0" />
-    <PackageReference Include="log4net" Version="2.0.8" />
+    <PackageReference Include="log4net" Version="2.0.10" />
     <PackageReference Include="System.Data.SqlClient" Version="4.4.2" />
   </ItemGroup>