chore: deprecate 16 from versions

Author: samrose

ansible/vars.yml

@@ -4,14 +4,12 @@ async_mode: true
 
 postgres_major:
   - "15"
-  - "16"
   - "orioledb-17"
 
 # Full version strings for each major version
 postgres_release:
-  postgresorioledb-17: "17.0.1.012-orioledb"
-  postgres15: "15.8.1.022"
-  postgres16: "16.3.1.028"
+  postgresorioledb-17: "17.0.1.018-orioledb"
+  postgres15: "15.8.1.028"
 
 # Non Postgres Extensions
 pgbouncer_release: "1.19.0"