fix(deps): update dependency io.camunda.spring:spring-boot-starter-camunda to v8.5.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.camunda.spring:spring-boot-starter-camunda (source)	8.5.1 -> 8.5.2

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Release Notes

camunda-community-hub/spring-zeebe (io.camunda.spring:spring-boot-starter-camunda)

### [`v8.5.2`](https://togithub.com/camunda-community-hub/spring-zeebe/releases/tag/8.5.2) [Compare Source](https://togithub.com/camunda-community-hub/spring-zeebe/compare/8.5.1...8.5.2) #### What's Changed - fix: VariableResolver can return null ([#​771](https://togithub.com/camunda-community-hub/spring-zeebe/issues/771)) by [@​jonathanlukas](https://togithub.com/jonathanlukas) in [https://github.com/camunda-community-hub/spring-zeebe/pull/772](https://togithub.com/camunda-community-hub/spring-zeebe/pull/772) - fix: VariableResolver can return null ([#​771](https://togithub.com/camunda-community-hub/spring-zeebe/issues/771)) by [@​jonathanlukas](https://togithub.com/jonathanlukas) in [https://github.com/camunda-community-hub/spring-zeebe/pull/773](https://togithub.com/camunda-community-hub/spring-zeebe/pull/773) - fix: a token is only counted valid if the expiry is later than in 30 seconds by [@​jonathanlukas](https://togithub.com/jonathanlukas) in [https://github.com/camunda-community-hub/spring-zeebe/pull/776](https://togithub.com/camunda-community-hub/spring-zeebe/pull/776) **Full Changelog**: https://github.com/camunda-community-hub/spring-zeebe/compare/8.5.1...8.5.2

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