chore: release v8.40.4

[github-actions]

🚀 v8.40.4

Make sure to use squash & merge when merging!
Once this is merged, another job will kick off automatically and publish the package.

📝 Changelog

8.40.4 (2024-09-11)

Bug Fixes

• adding message to an empty message list (#1356) (acd55ca)

[github-actions]

Size Change: +2 B (0%)

Total Size: 426 kB

Filename	Size	Change
dist/browser.full-bundle.min.js	54.1 kB	+2 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/browser.es.js	92.5 kB
dist/browser.js	93.6 kB
dist/index.es.js	92.6 kB
dist/index.js	93.7 kB

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