Use timescaledb 2.18.0 (zalando#1077)

Author: hughcapet

postgres-appliance/Dockerfile

@@ -1,6 +1,6 @@
 ARG BASE_IMAGE=ubuntu:22.04
 ARG PGVERSION=17
-ARG TIMESCALEDB="2.15.3 2.17.2"
+ARG TIMESCALEDB="2.15.3 2.18.0"
 ARG DEMO=false
 ARG COMPRESS=false
 ARG ADDITIONAL_LOCALES=