PYTHON-5612 Skip encryption tests with PyPy 3.10

[blink1073]

PYTHON-5612

Summary

Skip testing of PyPy with Encryption until we can test with PyPy 3.11.

Changes in this PR

Skips tests with PyPy and Encryption, removing them from the matrix.

Testing Plan

Verified that there are no encryption tests with pypy in a patch build.

Screenshots (optional)

N/A

Checklist

Checklist for Author

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

Checklist for Reviewer {@primary_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 (optional)