Bump the database-containers group

Bumps the database-containers group in /build/container/database with 2 updates: cockroachdb/cockroach and postgres.


Updates `cockroachdb/cockroach` from v25.3.1 to v25.3.2

Updates `postgres` from 17.6 to 18.0

---
updated-dependencies:
- dependency-name: cockroachdb/cockroach
  dependency-version: v25.3.2
  dependency-type: direct:production
  dependency-group: database-containers
- dependency-name: postgres
  dependency-version: '18.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: database-containers
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build/container/database/cockroachdb.Dockerfile

@@ -1,3 +1,3 @@
 # CockroachDB
 # See https://hub.docker.com/r/cockroachdb/cockroach/tags
-FROM docker.io/cockroachdb/cockroach:v25.3.1
+FROM docker.io/cockroachdb/cockroach:v25.3.2

build/container/database/postgresql.Dockerfile

@@ -1,3 +1,3 @@
 # PostgreSQL
 # See https://hub.docker.com/_/postgres
-FROM docker.io/postgres:17.6
+FROM docker.io/postgres:18.0