build(deps-dev): Bump dbt-core from 1.7.14 to 1.7.15

Bumps [dbt-core](https://github.com/dbt-labs/dbt-core) from 1.7.14 to 1.7.15.
- [Release notes](https://github.com/dbt-labs/dbt-core/releases)
- [Changelog](https://github.com/dbt-labs/dbt-core/blob/v1.7.15/CHANGELOG.md)
- [Commits](dbt-labs/dbt-core@v1.7.14...v1.7.15)

---
updated-dependencies:
- dependency-name: dbt-core
  dependency-type: direct:development
...

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