Bump viem from 2.21.2 to 2.21.6

Bumps [viem](https://github.com/wevm/viem) from 2.21.2 to 2.21.6.
- [Release notes](https://github.com/wevm/viem/releases)
- [Commits](https://github.com/wevm/viem/compare/[email protected]@2.21.6)

---
updated-dependencies:
- dependency-name: viem
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -5501,8 +5501,8 @@ __metadata:
   linkType: hard
 
 "viem@npm:^2.18.7":
-  version: 2.21.2
-  resolution: "viem@npm:2.21.2"
+  version: 2.21.6
+  resolution: "viem@npm:2.21.6"
   dependencies:
     "@adraffy/ens-normalize": "npm:1.10.0"
     "@noble/curves": "npm:1.4.0"
@@ -5518,7 +5518,7 @@ __metadata:
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: 10c0/dabc09db88516a4b584b580d0b663183b6c58eb813db5efdf72041b5b43c147352b28008526bff282099bbeecd7c792aba4299c1a1ce332ca98229e65e4ccea0
+  checksum: 10c0/6d039e0855567fb3793aee929ecb527e04ee000504aa73967bf4bd51d90c4a2dbc88f826790a06af7011432fde97ae7a22f9e24459dde462dc0d38c5157d2dc2
   languageName: node
   linkType: hard