chore(deps): update quay.io/fedora/postgresql-15:latest docker digest to 237fe8f

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

scripts/rhdh-openshift-setup/values.yaml

@@ -422,7 +422,7 @@ upstream:
     image:
       registry: quay.io
       repository: fedora/postgresql-15
-      tag: latest@sha256:e18386e401b709298d60d44182033915ca5ab814e7f779f55498153d33ea9336
+      tag: latest@sha256:237fe8f74a89c08d957de622bcadf334a8abe27f763b48a9a44b54926ec416d3
     auth:
       secretKeys:
         adminPasswordKey: postgres-password