DPE-8900 Fix CIDR mask for self_ip (peer_ip in pg_hba)

[taurus-forever]

Issue

Post PG14 fix #1272 to PG16

Solution

Use the same fix on PG14 and PG16

Checklist

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

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.62%. Comparing base (4d015a7) to head (380efeb).
⚠️ Report is 2 commits behind head on 16/edge.

Additional details and impacted files

@@           Coverage Diff            @@
##           16/edge    #1424   +/-   ##
========================================
  Coverage    70.62%   70.62%           
========================================
  Files           15       15           
  Lines         4252     4252           
  Branches       689      689           
========================================
  Hits          3003     3003           
  Misses        1041     1041           
  Partials       208      208           

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