Context:
After we add a new release plan factory we usually also have to add it to a static setup block in the UpgradeMain.java class. This can be missed easily and ultimately this upgrade plan won't get picked up by the upgrade at runtime.

AT:

• the sole presence of an update plan in src/main/java/org/camunda/optimize/upgrade/plan should be enough for it to get discovered by the UpgradeMain