Update rabbitmq

Changes:

- https://github.com/docker-library/rabbitmq/commit/ef9ca15: Update 4.0-rc to 4.0.0-rc.2

library/rabbitmq

@@ -5,22 +5,22 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
 GitRepo: https://github.com/docker-library/rabbitmq.git
 Builder: buildkit
 
-Tags: 4.0.0-rc.1, 4.0-rc
+Tags: 4.0.0-rc.2, 4.0-rc
 Architectures: amd64, arm32v7, arm64v8, ppc64le, riscv64, s390x
-GitCommit: 319407a1d59ee26cdefb1d7f40af2028bb64e2d6
+GitCommit: ef9ca15a89c29aca626a1b93536e1204c7959e86
 Directory: 4.0-rc/ubuntu
 
-Tags: 4.0.0-rc.1-management, 4.0-rc-management
+Tags: 4.0.0-rc.2-management, 4.0-rc-management
 Architectures: amd64, arm32v7, arm64v8, ppc64le, riscv64, s390x
 GitCommit: 3881658e776314fb145db712981c91c52a3e25b8
 Directory: 4.0-rc/ubuntu/management
 
-Tags: 4.0.0-rc.1-alpine, 4.0-rc-alpine
+Tags: 4.0.0-rc.2-alpine, 4.0-rc-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, riscv64, s390x
-GitCommit: 319407a1d59ee26cdefb1d7f40af2028bb64e2d6
+GitCommit: ef9ca15a89c29aca626a1b93536e1204c7959e86
 Directory: 4.0-rc/alpine
 
-Tags: 4.0.0-rc.1-management-alpine, 4.0-rc-management-alpine
+Tags: 4.0.0-rc.2-management-alpine, 4.0-rc-management-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, riscv64, s390x
 GitCommit: 3881658e776314fb145db712981c91c52a3e25b8
 Directory: 4.0-rc/alpine/management