chore(deps): bump rabbitmq from 3.12.5-management to 3.12.6-management

Bumps rabbitmq from 3.12.5-management to 3.12.6-management.

---
updated-dependencies:
- dependency-name: rabbitmq
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Dockerfile

@@ -1 +1 @@
-FROM rabbitmq:3.12.5-management
+FROM rabbitmq:3.12.6-management