chore(deps): update dependency @testing-library/react to v15 (#1259)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[@testing-library/react](https://github.com/testing-library/react-testing-library)
| [`14.3.0` ->
`15.0.2`](https://renovatebot.com/diffs/npm/@testing-library%2freact/14.3.0/15.0.2)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@testing-library%2freact/15.0.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@testing-library%2freact/15.0.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@testing-library%2freact/14.3.0/15.0.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@testing-library%2freact/14.3.0/15.0.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>testing-library/react-testing-library
(@&#8203;testing-library/react)</summary>

###
[`v15.0.2`](https://github.com/testing-library/react-testing-library/compare/v15.0.1...c63b873072d62c858959c2a19e68f8e2cc0b11be)

[Compare
Source](https://github.com/testing-library/react-testing-library/compare/v15.0.1...v15.0.2)

###
[`v15.0.1`](https://github.com/testing-library/react-testing-library/compare/v15.0.0...1645d21950ab8e3c6740b7e51b8a179a4c975c24)

[Compare
Source](https://github.com/testing-library/react-testing-library/compare/v15.0.0...v15.0.1)

###
[`v15.0.0`](https://github.com/testing-library/react-testing-library/compare/v14.3.0...787cb85f8baa3d2e2a9916b7dad12c0a76d787a4)

[Compare
Source](https://github.com/testing-library/react-testing-library/compare/v14.3.1...v15.0.0)

###
[`v14.3.1`](https://github.com/testing-library/react-testing-library/releases/tag/v14.3.1)

[Compare
Source](https://github.com/testing-library/react-testing-library/compare/v14.3.0...v14.3.1)

##### Bug Fixes

- Stop using nullish coalescing
([#&#8203;1300](https://github.com/testing-library/react-testing-library/issues/1300))
([8434a24](https://github.com/testing-library/react-testing-library/commit/8434a24ce79583d1359f58563c5f3981e729eb1c))

</details>

---

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frontend/package.json

@@ -57,7 +57,7 @@
     "@swc/core": "1.4.13",
     "@swc/jest": "0.2.36",
     "@testing-library/jest-dom": "6.4.2",
-    "@testing-library/react": "14.3.0",
+    "@testing-library/react": "15.0.2",
     "@types/p5": "1.7.6",
     "@types/react": "18.2.75",
     "@types/react-dom": "18.2.24",