Bump node-fetch, react, react-dom and react-addons-test-utils in /client

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) to 2.7.0 and updates ancestor dependencies [node-fetch](https://github.com/node-fetch/node-fetch), [react](https://github.com/facebook/react/tree/HEAD/packages/react), [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) and [react-addons-test-utils](https://github.com/facebook/react). These dependencies need to be updated together.


Updates `node-fetch` from 1.7.3 to 2.7.0
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](node-fetch/node-fetch@1.7.3...v2.7.0)

Updates `react` from 15.7.0 to 18.2.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v18.2.0/packages/react)

Updates `react-dom` from 15.7.0 to 15.7.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v15.7.0/packages/react-dom)

Updates `react-addons-test-utils` from 15.6.2 to 15.6.2
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](facebook/react@v15.6.2...v15.6.2)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: indirect
- dependency-name: react
  dependency-type: direct:production
- dependency-name: react-dom
  dependency-type: direct:production
- dependency-name: react-addons-test-utils
  dependency-type: direct:development
...

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

client/package.json

@@ -20,9 +20,9 @@
     "bootstrap": "^3.3.7",
     "classnames": "^2.2.5",
     "moment": "^2.15.1",
-    "react": "^15.0.0",
+    "react": "^18.2.0",
     "react-datepicker": "^0.29.0",
-    "react-dom": "^15.0.0",
+    "react-dom": "^15.7.0",
     "react-router": "^2.7.0",
     "redbox-react": "^1.2.3",
     "whatwg-fetch": "^1.0.0"
@@ -43,7 +43,7 @@
     "jest-fetch-mock": "^1.0.6",
     "less": "^2.7.1",
     "less-loader": "^2.2.3",
-    "react-addons-test-utils": "^15.3.2",
+    "react-addons-test-utils": "^15.6.2",
     "react-hot-loader": "^3.0.0-beta.0",
     "rimraf": "^2.5.0",
     "style-loader": "^0.13.0",