Merge pull request #733 from balancer/viem-2.38.5

Viem 2.38.5

Author: johngrantuk

.changeset/fast-guests-talk.md

@@ -0,0 +1,5 @@
+---
+"@balancer/sdk": minor
+---
+
+Bump Viem to 2.38.5. Use Viem Plasma chain.

package.json

@@ -36,7 +36,7 @@
         "@types/big.js": "6.2.2",
         "big.js": "6.2.2",
         "decimal.js-light": "2.5.1",
-        "viem": "2.27.0"
+        "viem": "2.38.5"
     },
     "devDependencies": {
         "@biomejs/biome": "1.9.4",