Bump @oclif/core in the prod-deps group across 1 directory (#961)

Bumps the prod-deps group with 1 update in the / directory: [@oclif/core](https://github.com/oclif/core).


Updates `@oclif/core` from 4.8.3 to 4.9.0
- [Release notes](https://github.com/oclif/core/releases)
- [Changelog](https://github.com/oclif/core/blob/main/CHANGELOG.md)
- [Commits](oclif/core@4.8.3...4.9.0)

---
updated-dependencies:
- dependency-name: "@oclif/core"
  dependency-version: 4.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-deps
...

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Author: dependabot[bot]