Bump GitHubActionsTestLogger from 1.4.1 to 2.0.0

Bumps [GitHubActionsTestLogger](https://github.com/Tyrrrz/GitHubActionsTestLogger) from 1.4.1 to 2.0.0.
- [Release notes](https://github.com/Tyrrrz/GitHubActionsTestLogger/releases)
- [Changelog](https://github.com/Tyrrrz/GitHubActionsTestLogger/blob/master/Changelog.md)
- [Commits](Tyrrrz/GitHubActionsTestLogger@1.4.1...2.0)

---
updated-dependencies:
- dependency-name: GitHubActionsTestLogger
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tests/Serilog.Formatting.Log4Net.Tests.csproj

@@ -21,7 +21,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="$(ContinuousIntegrationBuild) == 'true'">
-    <PackageReference Include="GitHubActionsTestLogger" Version="1.4.1" PrivateAssets="all" />
+    <PackageReference Include="GitHubActionsTestLogger" Version="2.0.0" PrivateAssets="all" />
   </ItemGroup>
 
   <PropertyGroup Label="Coverage">