Update rabbitmq

Changes:

- docker-library/rabbitmq@b0ab6c9: Merge pull request docker-library/rabbitmq#519 from infosiftr/upstream-envs
- docker-library/rabbitmq@6f686e5: Update 3.9 to 3.9.4
- docker-library/rabbitmq@3dc2705: Allow upstream-supported environment variables without error

Author: docker-library-bot

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: 3.9.3, 3.9, 3, latest
+Tags: 3.9.4, 3.9, 3, latest
 Architectures: amd64, arm32v7, arm64v8, ppc64le, riscv64, s390x
-GitCommit: cd44d4e7a4335ae137c1723772e2a777f0466d67
+GitCommit: b0ab6c9cfa2a46eeb4c242cc0ef9b1c60399c6c8
 Directory: 3.9/ubuntu
 
-Tags: 3.9.3-management, 3.9-management, 3-management, management
+Tags: 3.9.4-management, 3.9-management, 3-management, management
 Architectures: amd64, arm32v7, arm64v8, ppc64le, riscv64, s390x
 GitCommit: b07819f873e5a68b2bb54e01f0caa41c26b277f3
 Directory: 3.9/ubuntu/management
 
-Tags: 3.9.3-alpine, 3.9-alpine, 3-alpine, alpine
+Tags: 3.9.4-alpine, 3.9-alpine, 3-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: cd44d4e7a4335ae137c1723772e2a777f0466d67
+GitCommit: b0ab6c9cfa2a46eeb4c242cc0ef9b1c60399c6c8
 Directory: 3.9/alpine
 
-Tags: 3.9.3-management-alpine, 3.9-management-alpine, 3-management-alpine, management-alpine
+Tags: 3.9.4-management-alpine, 3.9-management-alpine, 3-management-alpine, management-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: b07819f873e5a68b2bb54e01f0caa41c26b277f3
 Directory: 3.9/alpine/management