Update register.go
Add minor changes in prompts provided by gitlab-ci-multi-runner
This patch provides consistency in user input prompts in gitlab-ci-multi-runner script.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Add minor changes in prompts provided by gitlab-ci-multi-runner
This patch provides consistency in user input prompts in gitlab-ci-multi-runner script.