build(deps): bump postgres from 17.4 to 17.5 in /helm/modelix

Bumps postgres from 17.4 to 17.5.

---
updated-dependencies:
- dependency-name: postgres
  dependency-version: '17.5'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

helm/modelix/values.yaml

@@ -129,7 +129,7 @@ db:
 postgres:
   image:
     repository: postgres
-    tag: 17.4@sha256:fe3f571d128e8efadcd8b2fde0e2b73ebab6dbec33f6bfe69d98c682c7d8f7bd
+    tag: 17.5@sha256:864831322bf2520e7d03d899b01b542de6de9ece6fe29c89f19dc5e1d5568ccf
     pullPolicy: IfNotPresent
   autoupgrade:
     enabled: false