[promoted]Merge pull request ansible-collections#622 from goneri/test…

…-aws_msk_cluster-is-slow_26143

test: aws_msk_cluster is slow

The aws_msk_cluster test takes a bit of time. Let's be sure this does
not become a problem in the future by isolating it on its own
dedicated job.

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections@4956f97