refactor(base): Rename sync_lock to state_store_lock

[Hywan]

This patch renames the sync_lock to state_store_lock because it is what it is. It's not about the sync, it's about the state store.

[bnjbvr]

I sync this is great!

[Hywan]

You mean “I state_store_lock this is great”?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.38%. Comparing base (688eb68) to head (48956cc).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5707   +/-   ##
=======================================
  Coverage   88.38%   88.38%           
=======================================
  Files         358      358           
  Lines       98939    98940    +1     
  Branches    98939    98940    +1     
=======================================
+ Hits        87451    87453    +2     
+ Misses       7352     7350    -2     
- Partials     4136     4137    +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[codspeed-hq]

CodSpeed Performance Report

Merging #5707 will not alter performance

_{Comparing Hywan:refactor-sdk-rename-sync-lock (3ca72c7) with main (688eb68)}

Summary

✅ 50 untouched