add latest version of postgres to test matrix

Author: leafo

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        postgresVersion: ["13", "14"]
+        postgresVersion: ["13", "18"]
         luaVersion: ["5.1", "5.2", "5.3", "5.4", "luajit-openresty"]
 
     env:

README.md

@@ -831,7 +831,7 @@ Note: Future changenotes will be published on GitHub releases page: https://gith
 
 ## License (MIT)
 
-Copyright (C) 2021 by Leaf Corcoran
+Copyright (C) 2025 by Leaf Corcoran
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal