Bump log4net from 2.0.13 to 3.3.0

---
updated-dependencies:
- dependency-name: log4net
  dependency-version: 3.3.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

src/Castle.Services.Logging.log4netIntegration/Castle.Services.Logging.log4netIntegration.csproj

@@ -25,7 +25,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="log4net" Version="2.0.13" />
+		<PackageReference Include="log4net" Version="3.3.0" />
 	</ItemGroup>
 
 	<ItemGroup>