refactor: Rename setting activate_version to process_activate_version_messages

[edgarrmondragon]

---

📚 Documentation preview 📚: https://meltano-sdk--2805.org.readthedocs.build/en/2805/

[codspeed-hq]

CodSpeed Performance Report

Merging #2805 will not alter performance

_{Comparing edgarrmondragon/refactor/activate_version--process_activate_version_messages (ca03d9b) with main (fd494db)}

Summary

✅ 7 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.27%. Comparing base (fd494db) to head (ca03d9b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2805   +/-   ##
=======================================
  Coverage   91.27%   91.27%           
=======================================
  Files          62       62           
  Lines        5182     5182           
  Branches      669      669           
=======================================
  Hits         4730     4730           
  Misses        319      319           
  Partials      133      133           

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