major upgrade

except citus - no packages for Debian 13 yet

Dockerfile

@@ -1,6 +1,6 @@
 ARG UPSTREAM_IMAGE_VERSION
 ARG DEPS_IMAGE
-FROM docker.io/library/postgres:${UPSTREAM_IMAGE_VERSION}-bookworm AS postgresql-upstream
+FROM docker.io/library/postgres:${UPSTREAM_IMAGE_VERSION}-trixie AS postgresql-upstream
 FROM ${DEPS_IMAGE} AS deps
 
 ## ---
@@ -105,7 +105,9 @@ VOLUME [ "${PGHOME}" ]
 
 ## ---
 
-FROM citus
+## TODO: disabled until citus packages are ready for Debian 13
+# FROM citus
+FROM postgresql-extras
 SHELL [ "/bin/sh", "-ec" ]
 
 COPY /Dockerfile  /usr/local/share/