Bump viem from 2.19.9 to 2.21.0

Bumps [viem](https://github.com/wevm/viem) from 2.19.9 to 2.21.0.
- [Release notes](https://github.com/wevm/viem/releases)
- [Commits](https://github.com/wevm/viem/compare/[email protected]@2.21.0)

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

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

yarn.lock

@@ -5482,8 +5482,8 @@ __metadata:
   linkType: hard
 
 "viem@npm:^2.18.7":
-  version: 2.19.9
-  resolution: "viem@npm:2.19.9"
+  version: 2.21.0
+  resolution: "viem@npm:2.21.0"
   dependencies:
     "@adraffy/ens-normalize": "npm:1.10.0"
     "@noble/curves": "npm:1.4.0"
@@ -5499,7 +5499,7 @@ __metadata:
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: 10c0/cdb80671ab32a694f457c8fe7de08be999d3964065f1333b63482d9d2d9df98c6ecbf2c978903bf08b92f43fe80d2e27d803e6dc7ec5fd9bd87f79d8cc048069
+  checksum: 10c0/0130b55b09b199385362b12847b8e5c4d3a68fde1ec62275c251929c07a8acb8ceadbbc8d9cd5b34199c2fdf5f386f7669d3272a1b7a2aab5b7b152a3840f568
   languageName: node
   linkType: hard