fix(deps): update dependency io.holunda.camunda-api:camunda-bpm-engine-api to v7.21.0 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.holunda.camunda-api:camunda-bpm-engine-api	7.20.0 -> 7.21.0

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Release Notes

holunda-io/camunda-bpm-api (io.holunda.camunda-api:camunda-bpm-engine-api)

### [`v7.21.0`](https://togithub.com/holunda-io/camunda-bpm-api/releases/tag/7.21.0): 7.21 [Compare Source](https://togithub.com/holunda-io/camunda-bpm-api/compare/7.20.0...7.21.0) Supports Camunda Platform 7.21

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Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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

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

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