bump sor to 3.12.5 (Uniswap#232)

* bump sor to 3.12.5

* change to explicit versioning

Author: jsy1218

package-lock.json

@@ -78,7 +78,7 @@
     "@uniswap/permit2-sdk": "^1.2.0",
     "@uniswap/router-sdk": "^1.3.0",
     "@uniswap/sdk-core": "^3.0.1",
-    "@uniswap/smart-order-router": "^3.12.1",
+    "@uniswap/smart-order-router": "3.12.5",
     "@uniswap/token-lists": "^1.0.0-beta.24",
     "@uniswap/universal-router-sdk": "^1.3.0",
     "@uniswap/v2-sdk": "^3.0.0",