update toolkit to v7 stable

package.json

@@ -26,7 +26,7 @@
     "@types/node": ">=12.0.0",
     "@typescript-eslint/eslint-plugin": "^5.59.9",
     "@typescript-eslint/parser": "^5.59.9",
-    "@zetachain/toolkit": "7.0.0-rc3",
+    "@zetachain/toolkit": "7.0.0",
     "axios": "^1.3.6",
     "chai": "^4.2.0",
     "dotenv": "^16.0.3",
@@ -48,4 +48,4 @@
     "typechain": "^8.1.0",
     "typescript": ">=4.5.0"
   }
-}
+}

yarn.lock

@@ -1711,10 +1711,10 @@
   resolved "https://registry.yarnpkg.com/@zetachain/protocol-contracts/-/protocol-contracts-7.0.0-rc1.tgz#588483d1ec70e572b7e40e84ef5b34282b0ab375"
   integrity sha512-vgS+Pjh4MysOyw8WbqTQVBsHJYqKvMcdV7cNVqxaTJd/dl2ak7NNvsIeaeUnxQrp8XfQol2B8GXJpVLM6MK/dg==
 
-"@zetachain/[email protected]-rc3":
-  version "7.0.0-rc3"
-  resolved "https://registry.yarnpkg.com/@zetachain/toolkit/-/toolkit-7.0.0-rc3.tgz#77dfacf848c03b7009a96a38f40ea7c323521f50"
-  integrity sha512-rWJEH4pgX8631dYLS0Bb+MOwsMNtapVOBCSWI1NOralJNK4vsEVyvqKGYcUYO6UFTHVb6/8XAoJq1uLxd6Sv2g==
+"@zetachain/[email protected]":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@zetachain/toolkit/-/toolkit-7.0.0.tgz#7301ccab40c37d3fd8fcc347f99c831ec31b1bd3"
+  integrity sha512-5cOJVBIEcosF2A2TJbNGFfh4Bob8UcodQII1RdHRstqvV3toZ18r1gVWpLGQ8w2N6T2FCPE8ueN4Q5zH68q20Q==
   dependencies:
     "@inquirer/prompts" "^2.1.1"
     "@inquirer/select" "1.1.3"