Bump cloudnative-pg/postgresql from 15.3-4 to 15.3-6 in /15#15

dependabot[bot] wants to merge 1 commit intomainzenjoy/docker-cloudnative-pg-postgresql:mainfrom

dependabot/docker/15/cloudnative-pg/postgresql-15.3-6zenjoy/docker-cloudnative-pg-postgresql:dependabot/docker/15/cloudnative-pg/postgresql-15.3-6Copy head branch name to clipboard