chore(deps): bump the react group across 1 directory with 2 updates

Bumps the react group with 2 updates in the / directory: [react](https://github.com/react/react/tree/HEAD/packages/react) and [react-dom](https://github.com/react/react/tree/HEAD/packages/react-dom).


Updates `react` from 18.3.1 to 19.3.0
- [Release notes](https://github.com/react/react/releases)
- [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/react/react/commits/v19.3.0/packages/react)

Updates `react-dom` from 18.3.1 to 19.3.0
- [Release notes](https://github.com/react/react/releases)
- [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/react/react/commits/v19.3.0/packages/react-dom)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: react
- dependency-name: react-dom
  dependency-version: 19.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: react
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

dotcom-rendering/package.json

@@ -79,8 +79,8 @@
 		"@types/lodash.get": "4.4.9",
 		"@types/node": "catalog:",
 		"@types/qs": "6.15.1",
-		"@types/react": "18.3.1",
-		"@types/react-dom": "18.3.0",
+		"@types/react": "19.3.0",
+		"@types/react-dom": "19.3.0",
 		"@types/react-google-recaptcha": "2.1.9",
 		"@types/react-test-renderer": "18.3.0",
 		"@types/relateurl": "0.2.33",
@@ -136,8 +136,8 @@
 		"postcss-styled-syntax": "0.7.1",
 		"preact": "10.15.1",
 		"preact-render-to-string": "6.0.2",
-		"react": "18.3.1",
-		"react-dom": "18.3.1",
+		"react": "19.3.0",
+		"react-dom": "19.3.0",
 		"react-google-recaptcha": "3.1.0",
 		"rehype-autolink-headings": "7.1.0",
 		"rehype-slug": "6.0.0",