Bump react-admin from 5.6.3 to 5.6.4 (#416)

Bumps [react-admin](https://github.com/marmelab/react-admin) from 5.6.3 to 5.6.4.
- [Release notes](https://github.com/marmelab/react-admin/releases)
- [Changelog](https://github.com/marmelab/react-admin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/marmelab/react-admin/compare/v5.6.3...v5.6.4)

---
updated-dependencies:
- dependency-name: react-admin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -64,7 +64,7 @@
     "ra-language-italian": "^3.13.1",
     "ra-language-russian": "^5.4.3",
     "react": "^19.0.0",
-    "react-admin": "^5.6.3",
+    "react-admin": "^5.6.4",
     "react-dom": "^19.0.0",
     "react-hook-form": "^7.54.2",
     "react-is": "^19.0.0",