Also test with Pg14

Author: joto

.github/workflows/ci.yml

@@ -187,7 +187,7 @@ jobs:
       CXX: clang++-10
       LUA_VERSION: 5.3
       LUAJIT_OPTION: OFF
-      POSTGRESQL_VERSION: 13
+      POSTGRESQL_VERSION: 14
       POSTGIS_VERSION: 3
       CPP_VERSION: 17
       USE_PROJ_LIB: 6