Nicola Puppa

We need to update the docs related to Spring SDK in order to align it with the latest changes - Remove all the reference to the community project, replace them...

There are some properties available since 8.5 that are undocumented in our docs

Added a dummy workflow for SDK ci

## Description Removed all the class related to Spring Zeebe test ## Related issues closes #18355

[Backport stable/8.5] ci: add spring zeebe sdk separate CI

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# Description Backport of #17767 to `stable/8.5`. relates to #17767

## Description - made job maxRetries configurable via @JobWorker annotation - moved metrics to command callback - changed the way how the SDK handle error code, throwing an error every...

Migrate this project into SH Netlify

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See title

# Description Backport of #18679 to `stable/8.5`. relates to #18656

**Describe the bug** It should be possible to set the env var `ZEEBE_GATEWAY_SECURITY_AUTHENTICATION_MODE=none`, then use the Zeebe REST API without authenticating via Identity/Keycloak as mentioned in our [docs](https://docs.camunda.io/docs/self-managed/zeebe-deployment/security/client-authorization/#camunda-identity-authorization) **To Reproduce**...