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## What this PR does
### Release note
<!-- Write a release note:
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```release-note
Fix system postgresql images to 17.7-standard-trixie
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Database Helm charts now preserve and reuse existing PostgreSQL image
settings, normalizing tags to the standard-trixie variant when
appropriate.
* Migration configuration bumped to target version 38.
* **Bug Fixes**
* Migration logic updated to correctly locate and adjust CNPG Cluster
resources and to log per-cluster patch/skip decisions.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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