Bump camunda-spin-bom from 1.11.0 to 1.12.0

Bumps [camunda-spin-bom](https://github.com/camunda/camunda-spin) from 1.11.0 to 1.12.0.
- [Release notes](https://github.com/camunda/camunda-spin/releases)
- [Commits](camunda/camunda-spin@1.11.0...1.12.0)

---
updated-dependencies:
- dependency-name: org.camunda.spin:camunda-spin-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -23,7 +23,7 @@
 
     <spring-boot.version>2.4.5</spring-boot.version>
     <groovy.version>2.4.21</groovy.version>
-    <spin.version>1.11.0</spin.version>
+    <spin.version>1.12.0</spin.version>
     <camunda-assert.version>10.0.0</camunda-assert.version>
 
     <kotlin.version>1.5.31</kotlin.version>