Use variables in go lint and go mod tidy jobs

What does this MR do?

Adds variables to the two wget commands in the go lint and go mod tidy jobs, to enable easier debugging, similar to Allow specifying project to test in includes-de... (!402 - merged) • Craig Andrews • 17.5.

What are the relevant issue numbers?

N/A

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug

  Tested in this pipeline.