chore(deps): update rust crate serde_json to v1.0.154

[ferrlabs-renovate]

This PR contains the following updates:

Package	Type	Update	Change
serde_json	dependencies	patch	1.0.152 → 1.0.154

---

Release Notes

serde-rs/json (serde_json)

v1.0.154

Compare Source

• Support preserve_order in no_std builds (#​1333, thanks @​razmser)

v1.0.153

Compare Source

• Report invalid UTF-8 at the first bad byte (#​1345, thanks @​00200200)

---

Configuration

📅 Schedule: (UTC)

• 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.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

This PR has been generated by Mend Renovate CLI.

[ferrfleet]

Lockfile-only patch bump. The new foldhash dependency resolves to the single foldhash 0.2.0 entry already in Cargo.lock, so the lockfile stays consistent. Nothing blocking. Test and Cargo Security were still running when I reviewed.