Rename Github deployment task

[pyby]

Motivation and Context

Jira displays the deployment task name. Default is deploy but it can be updated.
Related to #447.

Description

• Update deployment task and description.

Checklist

• The branch should be rebased onto the develop branch for whole tests with nighties, but it's not required.*
• The code followed the code style as make quality passes with a green tick on the last commit.
• Remote configuration properties have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• Issues are linked to the PR, if any.

* The project uses Github merge queue feature, which rebases onto the develop branch before squashing and merging the PR.