Update dependency @testing-library/jest-dom to v6

package.json

@@ -28,7 +28,6 @@
     "eslint": "^8.13.0",
     "eslint-plugin-react-hooks": "^4.2.0",
     "prettier": "^3.0.0"
-
   },
   "scripts": {
     "start": "react-scripts start",

yarn.lock

@@ -3017,7 +3017,6 @@ babel-preset-react-app@^10.0.1:
     "@babel/plugin-proposal-optional-chaining" "^7.16.0"
     "@babel/plugin-proposal-private-methods" "^7.16.0"
     "@babel/plugin-transform-flow-strip-types" "^7.16.0"
-    "@babel/plugin-transform-private-property-in-object" "^7.22.11"
     "@babel/plugin-transform-react-display-name" "^7.16.0"
     "@babel/plugin-transform-runtime" "^7.16.4"
     "@babel/preset-env" "^7.16.4"