Show user contributions in correct timezone within user profile

What does this MR do?

This MR is port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/17817.

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• [ ] 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.~~

Closes #38495 (closed)