Bump @tanstack/react-query from 5.14.1 to 5.15.3

Bumps [@tanstack/react-query](https://github.com/TanStack/query/tree/HEAD/packages/react-query) from 5.14.1 to 5.15.3.
- [Release notes](https://github.com/TanStack/query/releases)
- [Commits](https://github.com/TanStack/query/commits/v5.15.3/packages/react-query)

---
updated-dependencies:
- dependency-name: "@tanstack/react-query"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -29,7 +29,7 @@
     "@navikt/ds-react": "^5.12.1",
     "@navikt/nav-dekoratoren-moduler": "^2.1.5",
     "@navikt/next-logger": "^1.21.0",
-    "@tanstack/react-query": "^5.14.1",
+    "@tanstack/react-query": "^5.15.3",
     "@tanstack/react-query-devtools": "^5.14.1",
     "@types/http-errors": "^2.0.4",
     "@types/react-datepicker": "^4.19.4",