Refresh v3 implementation

[marceloneppel]

Issue

Solution

Checklist

• I have added or updated any relevant documentation.
• I have cleaned any remaining cloud resources from my accounts.

[codecov]

Codecov Report

❌ Patch coverage is 37.93103% with 90 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.16%. Comparing base (48d4eb4) to head (13fe1c2).

Files with missing lines	Patch %	Lines
src/charm.py	35.35%	55 Missing and 9 partials ⚠️
src/refresh.py	47.36%	9 Missing and 1 partial ⚠️
src/relations/postgresql_provider.py	10.00%	9 Missing ⚠️
src/relations/async_replication.py	28.57%	5 Missing ⚠️
src/relations/logical_replication.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           16/edge    #1115      +/-   ##
===========================================
- Coverage    67.44%   66.16%   -1.28%     
===========================================
  Files           18       18              
  Lines         3947     3860      -87     
  Branches       564      555       -9     
===========================================
- Hits          2662     2554     -108     
- Misses        1112     1127      +15     
- Partials       173      179       +6     

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.