fix(deps): update dependency io.camunda:zeebe-bom to v8.5.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.camunda:zeebe-bom (source)	8.5.5 -> 8.5.6

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Release Notes

camunda/zeebe (io.camunda:zeebe-bom)

### [`v8.5.6`](https://togithub.com/camunda/zeebe/compare/8.5.5...8.5.6) [Compare Source](https://togithub.com/camunda/zeebe/compare/8.5.5...8.5.6)

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Configuration

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