chore(deps): bump zeebe-bom from 1.2.8 to 1.2.9 (#193)

Bumps [zeebe-bom](https://github.com/zeebe-io/zeebe) from 1.2.8 to 1.2.9.
- [Release notes](https://github.com/zeebe-io/zeebe/releases)
- [Commits](camunda/camunda@1.2.8...1.2.9)

---
updated-dependencies:
- dependency-name: io.camunda:zeebe-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -16,7 +16,7 @@
     </parent>
 
     <properties>
-        <version.zeebe>1.2.8</version.zeebe>
+        <version.zeebe>1.2.9</version.zeebe>
         <version.zeebe.spring>1.2.8</version.zeebe.spring>
         <version.spring.boot>2.5.7</version.spring.boot>