Bump postgres from 13.1 to 16.1 in /compose/local/postgres

Bumps postgres from 13.1 to 16.1.

---
updated-dependencies:
- dependency-name: postgres
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

compose/local/postgres/Dockerfile

@@ -1,4 +1,4 @@
-FROM postgres:13.1
+FROM postgres:16.1
 
 COPY ./compose/local/postgres/maintenance /usr/local/bin/maintenance
 RUN chmod +x /usr/local/bin/maintenance/*