v6.21

What's Changed

• Update requirements: Bump requests from 2.32.5 to 2.33.0 by @dependabot[bot] in #442
• Update requirements: Bump requests from 2.33.0 to 2.33.1 by @dependabot[bot] in #443
• Update requirements: Bump pillow from 12.1.1 to 12.2.0 by @dependabot[bot] in #444
• Update requirements: Bump charset-normalizer from 3.4.6 to 3.4.7 by @dependabot[bot] in #445
• [Github Actions] Docker multi-platform images by @buffer in #446

Full Changelog: v6.20...v6.21