Use gl-sprintf for Kubernetes application description strings

What does this MR do?

This MR changes the usages of sprintf in JS to use the <gl-sprintf> and <gl-link> components instead.

Screenshots

Page looks the same, changes are behind the scenes only

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

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
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done