chore(deps): bump the next-stack group across 1 directory with 4 updates

Bumps the next-stack group with 4 updates in the /packages/core/__tests__/fixtures/next directory: [next](https://github.com/vercel/next.js), [react](https://github.com/facebook/react/tree/HEAD/packages/react), [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) and [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom).


Updates `next` from 16.2.6 to 16.2.7
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.2.6...v16.2.7)

Updates `react` from 19.2.6 to 19.2.7
- [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/v19.2.7/packages/react)

Updates `@types/react` from 19.2.15 to 19.2.17
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

Updates `react-dom` from 19.2.6 to 19.2.7
- [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/v19.2.7/packages/react-dom)

Updates `@types/react` from 19.2.15 to 19.2.17
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: "@types/react"
  dependency-version: 19.2.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: next-stack
- dependency-name: "@types/react"
  dependency-version: 19.2.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: next-stack
- dependency-name: next
  dependency-version: 16.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-stack
- dependency-name: react
  dependency-version: 19.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-stack
- dependency-name: react-dom
  dependency-version: 19.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-stack
...

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

Author: dependabot[bot]

packages/core/__tests__/fixtures/next/package.json

@@ -8,14 +8,14 @@
     "clean": "rm -rf .next node_modules package-lock.json"
   },
   "dependencies": {
-    "next": "16.2.6",
-    "react": "19.2.6",
-    "react-dom": "19.2.6"
+    "next": "16.2.7",
+    "react": "19.2.7",
+    "react-dom": "19.2.7"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "4.2.2",
     "@types/node": "24.0.0",
-    "@types/react": "19.2.15",
+    "@types/react": "19.2.17",
     "postcss": "8.5.8",
     "tailwindcss": "4.2.2",
     "typescript": "5.8.3"