UX Test: SetVariables to add functionality of lists, custom bulions, types, etc.

[Madeline-UX]

Driving Questions

What are we hoping to validate?

• How might we expand the functionality of SetVariable to support lists, custom bullion (ex. for hiding sensitive information), file type (ex. JSON, YAML)
• Does the proposed changes from setvariable (string) to setVariables (array) add value?
• Does the proposed command name setVariables make sense to users?
• Can we replace current feature setVariable with new feature setVariables without removing cabiablies.

Testing Plan

User personas: Package Creator

• Create mocks of solution
• Create Maze test
• Run Maze test (moderated) with 3-5 package creators

Additional context

Screenshot or link to what needs to be tested

Related to issue #1413

Users are reported the need to be able to keep secrets that are outputting during setVariables command from being expressed in the log output. Additionally, there are use cases where a user may need to set multiple variables for the same command - this soltuion allows for both.

[Add video/pictures of current flow]

Link to Test

https://app.maze.co/maze-preview/mazes/150455954

[Madeline-UX]

from @Racer159

[Racer159]

Initial implementation in #1474