chore(deps): update dependency @types/node to v20 (#250)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[@types/node](https://togithub.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node)
([source](https://togithub.com/DefinitelyTyped/DefinitelyTyped)) |
[`^18.15.3` ->
`^20.0.0`](https://renovatebot.com/diffs/npm/@types%2fnode/18.18.13/20.10.0)
|
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|
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app/package.json

@@ -42,7 +42,7 @@
     "@testing-library/user-event": "^14.4.3",
     "@types/jest": "^29.5.5",
     "@types/jest-axe": "^3.5.5",
-    "@types/node": "^18.15.3",
+    "@types/node": "^20.0.0",
     "@types/react": "^18.0.28",
     "@types/react-dom": "^18.0.11",
     "@typescript-eslint/eslint-plugin": "^5.55.0",