Bump drupal/core-recommended in /examples/stacks/drupal

Bumps [drupal/core-recommended](https://github.com/drupal/core-recommended) from 10.2.3 to 10.2.11.
- [Commits](drupal/core-recommended@10.2.3...10.2.11)

---
updated-dependencies:
- dependency-name: drupal/core-recommended
  dependency-type: direct:production
...

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

Author: dependabot[bot]