perf: use pg_basetype on PG 17+ for schema cache

src/library/PostgREST/Config/PgVersion.hs

@@ -4,6 +4,7 @@ module PostgREST.Config.PgVersion
   ( PgVersion(..)
   , minimumPgVersion
   , pgVersion150
+  , pgVersion170
   , pgVersion180
   , pgVersion190
   ) where
@@ -33,6 +34,9 @@ pgVersion140 = PgVersion 140000 "14.0" "14.0"
 pgVersion150 :: PgVersion
 pgVersion150 = PgVersion 150000 "15.0" "15.0"
 
+pgVersion170 :: PgVersion
+pgVersion170 = PgVersion 170000 "17.0" "17.0"
+
 pgVersion180 :: PgVersion
 pgVersion180 = PgVersion 180000 "18.0" "18.0"