build(deps): bump react-router

Bumps the npm_and_yarn group with 1 update in the /skills/shopify-hydrogen directory: [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router).


Updates `react-router` from 7.15.1 to 8.3.0
- [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@8.3.0/packages/react-router)

---
updated-dependencies:
- dependency-name: react-router
  dependency-version: 8.3.0
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

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

skills/shopify-hydrogen/package.json

@@ -6,7 +6,7 @@
     "typescript": "5.9.3",
     "@shopify/hydrogen": "2026.1.3",
     "@shopify/hydrogen-react": "2026.1.2",
-    "react-router": "7.15.1",
+    "react-router": "8.3.0",
     "@react-router/dev": "7.15.1",
     "graphql": "16.13.2",
     "type-fest": "5.5.0",