Bump the build group across 1 directory with 7 updates

Bumps the build group with 7 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [react](https://github.com/react/react/tree/HEAD/packages/react) | `19.2.8` | `19.3.0` |
| [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) | `19.2.18` | `19.3.0` |
| [react-dom](https://github.com/react/react/tree/HEAD/packages/react-dom) | `19.2.8` | `19.3.0` |
| [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) | `19.2.4` | `19.3.0` |
| [rollup](https://github.com/rollup/rollup) | `4.62.5` | `4.64.3` |
| [baseline-browser-mapping](https://github.com/web-platform-dx/baseline-browser-mapping) | `2.11.21` | `2.11.28` |
| [caniuse-lite](https://github.com/browserslist/caniuse-lite) | `1.0.30001810` | `1.0.30001815` |



Updates `react` from 19.2.8 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 `@types/react` from 19.2.18 to 19.3.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `react-dom` from 19.2.8 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)

Updates `@types/react-dom` from 19.2.4 to 19.3.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

Updates `rollup` from 4.62.5 to 4.64.3
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.62.5...v4.64.3)

Updates `baseline-browser-mapping` from 2.11.21 to 2.11.28
- [Release notes](https://github.com/web-platform-dx/baseline-browser-mapping/releases)
- [Commits](web-platform-dx/baseline-browser-mapping@v2.11.21...v2.11.28)

Updates `caniuse-lite` from 1.0.30001810 to 1.0.30001815
- [Commits](browserslist/caniuse-lite@1.0.30001810...1.0.30001815)

---
updated-dependencies:
- dependency-name: "@types/react"
  dependency-version: 19.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: build
- dependency-name: "@types/react-dom"
  dependency-version: 19.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: build
- dependency-name: baseline-browser-mapping
  dependency-version: 2.11.26
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: build
- dependency-name: caniuse-lite
  dependency-version: 1.0.30001812
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: build
- dependency-name: react
  dependency-version: 19.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: build
- dependency-name: react-dom
  dependency-version: 19.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: build
- dependency-name: rollup
  dependency-version: 4.63.5
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: build
...

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

Author: dependabot[bot]

package.json

@@ -86,8 +86,8 @@
     "@types/jest": "^30.0.0",
     "@types/jest-axe": "^3.5.9",
     "@types/node": "^26.2.0",
-    "@types/react": "^19.2.18",
-    "@types/react-dom": "^19.2.4",
+    "@types/react": "^19.3.0",
+    "@types/react-dom": "^19.3.0",
     "babel-jest": "^30.4.1",
     "babel-plugin-module-resolver": "^5.0.3",
     "babel-plugin-replace-import-extension": "^1.1.5",
@@ -106,9 +106,9 @@
     "nhsuk-frontend": "^10.3.1",
     "outdent": "^0.8.0",
     "prettier": "^3.9.6",
-    "react": "^19.2.8",
-    "react-dom": "^19.2.8",
-    "rollup": "^4.62.5",
+    "react": "^19.3.0",
+    "react-dom": "^19.3.0",
+    "rollup": "^4.64.3",
     "rollup-preserve-directives": "^1.1.3",
     "sass-embedded": "^1.105.0",
     "storybook": "^10.6.0",