Bump react-router from 7.11.0 to 7.12.0 in /packages/use-get-parent-size

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) from 7.11.0 to 7.12.0.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router@7.12.0/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 7.12.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

packages/use-get-parent-size/package.json

@@ -29,15 +29,15 @@
     "@types/three": "0.182.0",
     "react": "19.2.3",
     "react-dom": "19.2.3",
-    "react-router": "7.11.0",
+    "react-router": "7.12.0",
     "resize-observer-polyfill": "1.5.1",
     "three": "0.182.0",
     "use-debounce": "10.0.6"
   },
   "peerDependencies": {
     "react": "19.2.3",
     "react-dom": "19.2.3",
-    "react-router": "7.11.0",
+    "react-router": "7.12.0",
     "three": "0.182.0",
     "use-debounce": "10.0.6"
   },