Update mapstruct monorepo to v1.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.mapstruct:mapstruct (source)	1.5.5.Final -> 1.6.0
org.mapstruct:mapstruct-processor (source)	1.5.5.Final -> 1.6.0

---

Release Notes

mapstruct/mapstruct (org.mapstruct:mapstruct)

### [`v1.6.0`](https://togithub.com/mapstruct/mapstruct/releases/tag/1.6.0) [Compare Source](https://togithub.com/mapstruct/mapstruct/compare/1.5.5.Final...1.6.0) ##### Previous Release Notes - [1.6.0.RC1](https://togithub.com/mapstruct/mapstruct/releases/tag/1.6.0.RC1) - [1.6.0.Beta2](https://togithub.com/mapstruct/mapstruct/releases/tag/1.6.0.Beta2) - [1.6.0.Beta1](https://togithub.com/mapstruct/mapstruct/releases/tag/1.6.0.Beta1)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.