PYTHON-5572: Add team members to contributors.rst

[Jibola]

Summary

Engineers on our team are missing in the contributors.rst.

Changes in this PR

Updated the missing dbx-python team member names and their github profiles

Test Plan

It's a no-op text change

Screenshots (optional)

N/A

Checklist

Checklist for Author

• [N/A] Did you update the changelog (if necessary)?
• Is the intention of the code captured in relevant tests?
• If there are new TODOs, has a related JIRA ticket been created?

Checklist for Reviewer

• Does the title of the PR reference a JIRA Ticket?
• Do you fully understand the implementation? (Would you be comfortable explaining how this code works to someone else?)
• Have you checked for spelling & grammar errors?
• Is all relevant documentation (README or docstring) updated?

Focus Areas for Reviewer

• Names for spelling and github profile accuracy

[sleepyStick]

Surprised so many of us aren't on here! LGTM!