Bump bootstrap from 4.6.0 to 5.3.3 in /react-app

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 4.6.0 to 5.3.3.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v4.6.0...v5.3.3)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

react-app/package-lock.json

@@ -6,7 +6,7 @@
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^12.1.5",
     "@testing-library/user-event": "^14.4.3",
-    "bootstrap": "^4.6.0",
+    "bootstrap": "^5.3.3",
     "form-data": "^4.0.0",
     "react": "^16.13.1",
     "react-bootstrap": "^1.6.3",