Release v2026.09.21

What's Changed

Dependencies

• Bump the github-actions group with 4 updates by @dependabot[bot] in #4542

Changes

• Backfill: ActionLog data, update implicit actions field by @ayshushus in #4535
• Add API to upload translated files as suggestions by @flodolo in #4532
• Re-parse Fluent messages with function references by @mathjazz in #4547
• Contributors: Exclude self-reviews from the dashboard by @ayshushus in #4528

Full Changelog: v2026.09.17...v2026.09.21