chore(deps): update dependency viem to v2.47.12 (#260)

This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [viem](https://viem.sh)
([source](https://redirect.github.com/wevm/viem)) | dependencies | patch
| [`2.47.10` →
`2.47.12`](https://renovatebot.com/diffs/npm/viem/2.47.10/2.47.12) |
[![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/wevm/viem/badge)](https://securityscorecards.dev/viewer/?uri=github.com/wevm/viem)
|

---

### Release Notes

<details>
<summary>wevm/viem (viem)</summary>

###
[`v2.47.12`](https://redirect.github.com/wevm/viem/releases/tag/viem%402.47.12)

[Compare
Source](https://redirect.github.com/wevm/viem/compare/viem@2.47.11...viem@2.47.12)

##### Patch Changes

-
[`ee5e2575faa5489c0f8316b07f342fc1dff1ec96`](https://redirect.github.com/wevm/viem/commit/ee5e2575faa5489c0f8316b07f342fc1dff1ec96)
Thanks [@&#8203;jxom](https://redirect.github.com/jxom)! - `viem/tempo`:
Added `Expiry` module for generating unix timestamp expiries (e.g.
`Expiry.hours(1)`, `Expiry.days(30)`).

###
[`v2.47.11`](https://redirect.github.com/wevm/viem/releases/tag/viem%402.47.11)

[Compare
Source](https://redirect.github.com/wevm/viem/compare/viem@2.47.10...viem@2.47.11)

##### Patch Changes

- [#&#8203;4440](https://redirect.github.com/wevm/viem/pull/4440)
[`75ae99e2654043d927ac7e20d630fc93932fce9c`](https://redirect.github.com/wevm/viem/commit/75ae99e2654043d927ac7e20d630fc93932fce9c)
Thanks [@&#8203;luanxu-dev](https://redirect.github.com/luanxu-dev)! -
Fixed `shouldRetry` to handle RPC code 429 in batch mode, where some
providers (e.g. Alchemy) return HTTP 200 with a JSON-RPC body of `{
code: 429 }` instead of an HTTP 429.

- [#&#8203;4407](https://redirect.github.com/wevm/viem/pull/4407)
[`fa6edb93203fbd108aba1f4cbbfc47f29bec8253`](https://redirect.github.com/wevm/viem/commit/fa6edb93203fbd108aba1f4cbbfc47f29bec8253)
Thanks [@&#8203;d1r1](https://redirect.github.com/d1r1)! - Added Fluent
Mainnet chain.

- [#&#8203;4474](https://redirect.github.com/wevm/viem/pull/4474)
[`51ee597f6e01ddcd98feb1e9663d5be97e3db4ea`](https://redirect.github.com/wevm/viem/commit/51ee597f6e01ddcd98feb1e9663d5be97e3db4ea)
Thanks [@&#8203;jxom](https://redirect.github.com/jxom)! -
**viem/tempo:** Added `scopes` and `limits.period` to access key
authorizations for contract call scoping and periodic spending limits
(TIP-1011).

</details>

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bun.lock

@@ -44,7 +44,7 @@
     "multiformats": "13.4.2",
     "lefthook": "2.1.5",
     "ox": "0.14.13",
-    "viem": "2.47.10",
+    "viem": "2.47.12",
     "yaml": "2.8.3",
     "zod": "4.3.6"
   }