pgxpool pools always connect lazily

Rename constructor functions now that they don't actually connect.

examples/chat/main.go

@@ -13,7 +13,7 @@ var pool *pgxpool.Pool
 
 func main() {
 	var err error
-	pool, err = pgxpool.Connect(context.Background(), os.Getenv("DATABASE_URL"))
+	pool, err = pgxpool.New(context.Background(), os.Getenv("DATABASE_URL"))
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "Unable to connect to database:", err)
 		os.Exit(1)

examples/url_shortener/main.go

@@ -75,7 +75,7 @@ func main() {
 		log.Fatalln("Unable to parse DATABASE_URL:", err)
 	}
 
-	db, err = pgxpool.ConnectConfig(context.Background(), poolConfig)
+	db, err = pgxpool.NewConfig(context.Background(), poolConfig)
 	if err != nil {
 		log.Fatalln("Unable to create connection pool:", err)
 	}