v2.4.3

What's Changed

• fix(release): backfill every merged PR without a milestone by @hoangsonww in #387
• fix(release): reuse valid stale release branch by @hoangsonww in #388
• chore(release): bump version to 2.4.3 by @github-actions[bot] in #386

Full Changelog: v2.4.2...v2.4.3