Last `Gitlab::Sentry` -> `Gitlab::ErrorTracking` renaming

What does this MR do?

Before !21738 (merged) was merged, a new item has appeared which uses an old class name.

This should be the last one since the main renaming was already merged.

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

N/A

Security

N/A

Related to #21738