chore(camel-test-infra-postgres): upgrade postgres.container to 17.9-alpine (#21663)

Update postgres.container from 17.8-alpine to 17.9-alpine

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

test-infra/camel-test-infra-postgres/src/main/resources/org/apache/camel/test/infra/postgres/services/container.properties

@@ -14,6 +14,6 @@
 ## See the License for the specific language governing permissions and
 ## limitations under the License.
 ## ---------------------------------------------------------------------------
-postgres.container=mirror.gcr.io/postgres:17.8-alpine
+postgres.container=mirror.gcr.io/postgres:17.9-alpine
 postgres.container.version.include=alpine
 postgres.container.version.freeze.major=true