New release for eo-0.40.3

[maxonfjvipon]

New release for eo-0.40.3

---

PR-Codex overview

This PR updates the version of various eo packages from 0.40.0 to 0.40.3, while also adding tests and package declarations across multiple test files and object definitions.

Detailed summary

• Updated version from 0.40.0 to 0.40.3 in multiple files.
• Added tests and package declarations in various test files.
• Maintained consistency across numerous eo object definitions.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}