Resolve "Include tags into pipeline detail view"

What does this MR do?

• Add a merge request tag to the pipeline tags.
• Add tags to the pipeline view page

What are the relevant issue numbers?

Closes #54336 (closed)

Related https://gitlab.com/gitlab-org/gitlab-ce/issues/15310

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• [-] Documentation created/updated => https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/23397
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• [-] Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.