fix: extensions scripts location

We moved the scripts into systemModules/postgres

nix/packages/lib.nix

@@ -58,7 +58,7 @@
  };
  postgresqlExtensionCustomScriptsPath = builtins.path {
  name = "extension-custom-scripts";
- path = ../../ansible/files/postgresql_extension_custom_scripts;
+ path = ../systemModules/postgres/extension-custom-scripts;
  };
  getkeyScript = builtins.path {
  name = "pgsodium_getkey.sh";