Update Rust crate serde to v1.0.228

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
serde (source)	dependencies	patch	1.0.226 -> 1.0.228

---

Release Notes

serde-rs/serde (serde)

v1.0.228

Compare Source

• Allow building documentation with RUSTDOCFLAGS='--cfg=docsrs' set for the whole dependency graph (#​2995)

v1.0.227

Compare Source

• Documentation improvements (#​2991)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.