Update rabbitmq

Changes:

- https://github.com/docker-library/rabbitmq/commit/2ebf4f0: Update 3.9-rc to 3.9.0-rc.2

library/rabbitmq

@@ -4,22 +4,22 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/rabbitmq.git
 
-Tags: 3.9.0-rc.1, 3.9-rc
+Tags: 3.9.0-rc.2, 3.9-rc
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
-GitCommit: 01c0a8401843ca403cb90ea627a7ebccefbe755d
+GitCommit: 2ebf4f0eaef98fe92592f76ab19cb2a65ec00396
 Directory: 3.9-rc/ubuntu
 
-Tags: 3.9.0-rc.1-management, 3.9-rc-management
+Tags: 3.9.0-rc.2-management, 3.9-rc-management
 Architectures: amd64, arm32v7, arm64v8, ppc64le, s390x
 GitCommit: 0d1c84a50aa69305b2fa3e98632a206d3d2a3f9f
 Directory: 3.9-rc/ubuntu/management
 
-Tags: 3.9.0-rc.1-alpine, 3.9-rc-alpine
+Tags: 3.9.0-rc.2-alpine, 3.9-rc-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 01c0a8401843ca403cb90ea627a7ebccefbe755d
+GitCommit: 2ebf4f0eaef98fe92592f76ab19cb2a65ec00396
 Directory: 3.9-rc/alpine
 
-Tags: 3.9.0-rc.1-management-alpine, 3.9-rc-management-alpine
+Tags: 3.9.0-rc.2-management-alpine, 3.9-rc-management-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: 0d1c84a50aa69305b2fa3e98632a206d3d2a3f9f
 Directory: 3.9-rc/alpine/management