chore(deps): update dependency @sap/cds to v8.7.0 (#1600)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@sap/cds](https://cap.cloud.sap/) | [`8.6.1` ->
`8.7.0`](https://renovatebot.com/diffs/npm/@sap%2fcds/8.6.1/8.7.0) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/@sap%2fcds/8.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@sap%2fcds/8.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@sap%2fcds/8.6.1/8.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@sap%2fcds/8.6.1/8.7.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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