add execa dependency

Author: mikesposito

packages/snap/package.json

@@ -53,6 +53,7 @@
     "bip322-js": "^3.0.0",
     "concurrently": "^9.2.1",
     "dotenv": "^17.2.1",
+    "execa": "^5.1.1",
     "jest": "^30.0.5",
     "jest-mock-extended": "^4.0.0",
     "jest-transform-stub": "2.0.0",

yarn.lock

@@ -3086,6 +3086,7 @@ __metadata:
     bip322-js: "npm:^3.0.0"
     concurrently: "npm:^9.2.1"
     dotenv: "npm:^17.2.1"
+    execa: "npm:^5.1.1"
     jest: "npm:^30.0.5"
     jest-mock-extended: "npm:^4.0.0"
     jest-transform-stub: "npm:2.0.0"