#10109 chore: Update changelog after backport releases Pull request opened by edgarrmondragon Description Checklist • I have read the contribution guide Was generative AI tooling used to co-author this PR? • Yes (please specify the tool below) Related Issues • Closes #XXXX Summary by Sourcery Update changelog files to document recent backport releases that fix PipelineWise plugin log handling. Bug Fixes: • Document the fix that prevents swallowing PipelineWise plugin logs by adjusting the root logger level for v4.2.1 and v3.9.4 releases. Documentation: • Add v4.2.1 entry to the main changelog and v3.9.4 entry to the 3.x changelog describing the PipelineWise logging fix. meltano/meltano