fix(pom): set scope "test" for camunda-bpm-spring-boot-starter-test
fix(pom): set scope "test" for camunda-bpm-spring-boot-starter-test

This dependency is test-only and thus should not be in compile scope
(see POMs of other Camunda Spring Boot starters, e.g. starter-webapp)

camunda/camunda-spring-boot-starter,camunda/camunda-bpm-spring-boot-starter,camunda/camunda-spring-boot-starter