#10274 chore: Release v4.3.0 Pull request opened by melty-bot[bot] Bump changelog for release v4.3.0 Summary by Sourcery Release Meltano v4.3.0 with updated version metadata and comprehensive release notes. Documentation: • Publish the v4.3.0 changelog covering new features, fixes, internal improvements, and documentation updates. Chores: • Update project and documentation package metadata, lockfile, and issue template defaults to version 4.3.0. meltano/meltano