Bump postgres from 18.0 to 18.1 in /tooling/docker

Bumps postgres from 18.0 to 18.1. --- updated-dependencies: - dependency-name: postgres dependency-version: '18.1' dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tooling/docker/postgresql.Dockerfile

@@ -1,3 +1,3 @@
 # PostgreSQL
 # See https://hub.docker.com/_/postgres
-FROM docker.io/postgres:18.0
+FROM docker.io/postgres:18.1