build(deps): Update Rust crate syn to v2.0.74

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
syn	dependencies	patch	2.0.73 -> 2.0.74

---

Release Notes

dtolnay/syn (syn)

### [`v2.0.74`](https://togithub.com/dtolnay/syn/releases/tag/2.0.74) [Compare Source](https://togithub.com/dtolnay/syn/compare/2.0.73...2.0.74) - Fix *"temporary is dropped and runs the destructor for type \`impl Iterator\`"* regression affecting certain use of `Generics` iterator methods ([#​1719](https://togithub.com/dtolnay/syn/issues/1719))

---

Configuration

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

🚦 Automerge: Enabled.

♻ 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.