Update Pool ABI with canActivate function

Author: tsudmi

contracts/abi/Pool.json

@@ -390,6 +390,25 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_validatorIndex",
+        "type": "uint256"
+      }
+    ],
+    "name": "canActivate",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {