Improve sparkline chart in MR widget deployment

What does this MR do?

Updates sparkline chart on MR deployment widget to use new sparkline component chart from gitlab-ui

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers

References #31391 (closed)