Bump log4net from 2.0.8 to 2.0.10 in /Terradue.Tep.Test

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] <support@github.com>

Terradue.Tep.Test/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="GeoAPI" version="1.7.4" targetFramework="net45" />
-  <package id="log4net" version="2.0.8" targetFramework="net45" />
+  <package id="log4net" version="2.0.10" targetFramework="net45" />
   <package id="MathNet.Numerics" version="3.20.2" targetFramework="net45" />
   <package id="Microsoft.Bcl" version="1.1.9" targetFramework="net45" />
   <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net45" />