Update rabbitmq

Changes:

- https://github.com/docker-library/rabbitmq/commit/2dffcb0: Update to 3.7.26, Erlang/OTP 22.3.3, OpenSSL 1.1.1g
- https://github.com/docker-library/rabbitmq/commit/7ac7589: Merge pull request https://github.com/docker-library/rabbitmq/pull/406 from docker-library/github-actions
- https://github.com/docker-library/rabbitmq/commit/7bfcac9: Add initial GitHub Actions CI

library/rabbitmq

@@ -24,22 +24,22 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: af5f6ff9a3916d89be6d190d562d247ae12ffa73
 Directory: 3.8/alpine/management
 
-Tags: 3.7.25, 3.7
+Tags: 3.7.26, 3.7
 Architectures: amd64, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 0f1f78a32ba879b7d2e3481faa56c9031f3f77d2
+GitCommit: 2dffcb0d854e9916e98eebd00108e5813567cf6c
 Directory: 3.7/ubuntu
 
-Tags: 3.7.25-management, 3.7-management
+Tags: 3.7.26-management, 3.7-management
 Architectures: amd64, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: bf2c73df6ee8475ac30c9773a8128852450ea518
 Directory: 3.7/ubuntu/management
 
-Tags: 3.7.25-alpine, 3.7-alpine
+Tags: 3.7.26-alpine, 3.7-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 0f1f78a32ba879b7d2e3481faa56c9031f3f77d2
+GitCommit: 2dffcb0d854e9916e98eebd00108e5813567cf6c
 Directory: 3.7/alpine
 
-Tags: 3.7.25-management-alpine, 3.7-management-alpine
+Tags: 3.7.26-management-alpine, 3.7-management-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: bf2c73df6ee8475ac30c9773a8128852450ea518
 Directory: 3.7/alpine/management