Bump log4net from 2.0.3 to 2.0.10 in /Source/Applications/SOEService

Bumps [log4net](https://github.com/apache/logging-log4net) from 2.0.3 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](https://github.com/apache/logging-log4net/commits/rel/2.0.10)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Source/Applications/SOEService/packages.config

@@ -2,7 +2,7 @@
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net46" />
   <package id="jQuery" version="1.6.4" targetFramework="net46" />
-  <package id="log4net" version="2.0.3" targetFramework="net45" />
+  <package id="log4net" version="2.0.10" targetFramework="net45" />
   <package id="Microsoft.AspNet.Cors" version="5.0.0" targetFramework="net46" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net46" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net46" />