use go 1.13 (#8088)

* use go 1.13

* use go 1.13 in gomod file

* Update Makefile

* update swagger deps

vendor/github.com/lib/pq/oid/gen.go

@@ -1,93 +0,0 @@
-// +build ignore
-
-// Generate the table of OID values
-// Run with 'go run gen.go'.
-package main
-
-import (
-	"database/sql"
-	"fmt"
-	"log"
-	"os"
-	"os/exec"
-	"strings"
-
-	_ "github.com/lib/pq"
-)
-
-// OID represent a postgres Object Identifier Type.
-type OID struct {
-	ID   int
-	Type string
-}
-
-// Name returns an upper case version of the oid type.
-func (o OID) Name() string {
-	return strings.ToUpper(o.Type)
-}
-
-func main() {
-	datname := os.Getenv("PGDATABASE")
-	sslmode := os.Getenv("PGSSLMODE")
-
-	if datname == "" {
-		os.Setenv("PGDATABASE", "pqgotest")
-	}
-
-	if sslmode == "" {
-		os.Setenv("PGSSLMODE", "disable")
-	}
-
-	db, err := sql.Open("postgres", "")
-	if err != nil {
-		log.Fatal(err)
-	}
-	rows, err := db.Query(`
-		SELECT typname, oid
-		FROM pg_type WHERE oid < 10000
-		ORDER BY oid;
-	`)
-	if err != nil {
-		log.Fatal(err)
-	}
-	oids := make([]*OID, 0)
-	for rows.Next() {
-		var oid OID
-		if err = rows.Scan(&oid.Type, &oid.ID); err != nil {
-			log.Fatal(err)
-		}
-		oids = append(oids, &oid)
-	}
-	if err = rows.Err(); err != nil {
-		log.Fatal(err)
-	}
-	cmd := exec.Command("gofmt")
-	cmd.Stderr = os.Stderr
-	w, err := cmd.StdinPipe()
-	if err != nil {
-		log.Fatal(err)
-	}
-	f, err := os.Create("types.go")
-	if err != nil {
-		log.Fatal(err)
-	}
-	cmd.Stdout = f
-	err = cmd.Start()
-	if err != nil {
-		log.Fatal(err)
-	}
-	fmt.Fprintln(w, "// Code generated by gen.go. DO NOT EDIT.")
-	fmt.Fprintln(w, "\npackage oid")
-	fmt.Fprintln(w, "const (")
-	for _, oid := range oids {
-		fmt.Fprintf(w, "T_%s Oid = %d\n", oid.Type, oid.ID)
-	}
-	fmt.Fprintln(w, ")")
-	fmt.Fprintln(w, "var TypeName = map[Oid]string{")
-	for _, oid := range oids {
-		fmt.Fprintf(w, "T_%s: \"%s\",\n", oid.Type, oid.Name())
-	}
-	fmt.Fprintln(w, "}")
-	w.Close()
-	cmd.Wait()
-}