remove support for old postgresql version

CHANGELOG.md

@@ -8,6 +8,8 @@ Template:
 
 ## User Facing Backwards Compatible Changes
 
+## Fixes
+
 ## Other Changes
 
 -->
@@ -19,6 +21,14 @@ Template:
 - Add dashboard for SSL certificates validity
   and alert they did not renew on time.
 
+## Fixes
+
+- Only enable php-fpm exporter when php-fpm is enabled.
+
+## Breaking Changes
+
+- Remove upgrade script from postgres 13 to 14 and 14 to 15.
+
 # v0.2.7
 
 ## New Features

modules/blocks/postgresql.nix

@@ -165,9 +165,8 @@ in
         (debugConfig cfg.debug)
         {
           environment.systemPackages = lib.mkIf config.services.postgresql.enable [
-            (upgrade-script 13 14)
-            (upgrade-script 14 15)
             (upgrade-script 15 16)
+            (upgrade-script 16 17)
           ];
         }
       ]);