Bump log4net from 2.0.17 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/Sportradar.OddsFeed.SDK.Tests/Sportradar.OddsFeed.SDK.Tests.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="[7.1.0]" />
     <PackageReference Include="JunitXml.TestLogger" Version="4.1.0" />
-    <PackageReference Include="log4net" Version="2.0.17" />
+    <PackageReference Include="log4net" Version="3.3.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="9.0.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.1" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.1"/>