Fix permission denied error when extracting sentry-cli concurrently

[romtsn]

:scroll: Description

The test was not failing because we did not run any sentry tasks 🫠 After flipping some flags, it started to consistently fail for me, and the fix was simple - synchronize access to the sentry-cli extraction method.

:bulb: Motivation and Context

Fixes #728

:green_heart: How did you test it?

:pencil: Checklist

• [x] I reviewed the submitted code
• [x] I added tests to verify the changes
• [x] I updated the docs if needed
• [x] No breaking changes

:crystal_ball: Next steps