Bump log4net in /samples/e2e/EventHubsCaptureEventGridDemo/DWDumper

Bumps [log4net](https://github.com/apache/logging-log4net) from 1.2.10 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/compare/rel/1.2.10...rel/2.0.10)

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

samples/e2e/EventHubsCaptureEventGridDemo/DWDumper/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Apache.Avro" version="1.7.7.2" targetFramework="net461" />
-  <package id="log4net" version="1.2.10" targetFramework="net461" />
+  <package id="log4net" version="2.0.10" targetFramework="net461" />
   <package id="Microsoft.Azure.KeyVault.Core" version="1.0.0" targetFramework="net461" />
   <package id="Microsoft.Data.Edm" version="5.8.2" targetFramework="net461" />
   <package id="Microsoft.Data.OData" version="5.8.2" targetFramework="net461" />