Improve deploy environment chatops slash command
What does this MR do?
We now match deployment actions better. If there is more than one deployment action matched, we check if there is an action which name equals to environment name, instead of raising an error about too many actions defined.
Does this MR meet the acceptance criteria?
What are the relevant issue numbers?
Closes gitlab-org/gitlab-ce#34748
Edited by Grzegorz Bizon