chore(deps): update dependency execa to v2

Author: renovate-bot

package-lock.json

@@ -84,7 +84,7 @@
     "eslint-config-prettier": "^5.0.0",
     "eslint-config-webpack": "^1.2.5",
     "eslint-plugin-import": "^2.17.3",
-    "execa": "^1.0.0",
+    "execa": "^2.0.1",
     "file-loader": "^4.0.0",
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "^3.2.0",