chore: include pg 14 in versions

Author: samrose

ansible/vars.yml

@@ -9,9 +9,15 @@ postgres_major:
 
 # Full version strings for each major version
 postgres_release:
-  postgresorioledb-17: "17.0.1.086-orioledb"
-  postgres17: "17.4.1.036"
-  postgres15: "15.8.1.093"
+  postgresorioledb-17: "17.0.1.088-orioledb"
+  postgres17: "17.4.1.038"
+  postgres15: "15.8.1.094"
+  postgres14: "14.18.1.001"
+
+# Note, postgres14 is not built on every release, but is available in the nix cache. 
+# postgres14 is included here to support upgrading from postgres14 to newer versions.
+# an image can be created with a special workflow that builds postgres14 image. 
+# Supabase will not create and release postgres14 images other than as a utility for internal use.
 
 # Non Postgres Extensions
 pgbouncer_release: "1.19.0"