fix(deps): update rust crate serde to v1.0.203

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
serde (source)	dependencies	patch	1.0.201 -> 1.0.203

---

Release Notes

serde-rs/serde (serde)

### [`v1.0.203`](https://togithub.com/serde-rs/serde/releases/tag/v1.0.203) [Compare Source](https://togithub.com/serde-rs/serde/compare/v1.0.202...v1.0.203) - Documentation improvements ([#​2747](https://togithub.com/serde-rs/serde/issues/2747)) ### [`v1.0.202`](https://togithub.com/serde-rs/serde/releases/tag/v1.0.202) [Compare Source](https://togithub.com/serde-rs/serde/compare/v1.0.201...v1.0.202) - Provide public access to RenameAllRules in serde_derive_internals ([#​2743](https://togithub.com/serde-rs/serde/issues/2743))

---

Configuration

📅 Schedule: Branch creation - "before 4am on Monday" (UTC), 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 has been generated by Mend Renovate. View repository job log here.