vendor: Mega update all dependencies

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4080

vendor/github.com/gogo/protobuf/gogoreplace/main.go

@@ -1,25 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"os"
-)
-
-func main() {
-	args := os.Args
-	if len(args) != 4 {
-		fmt.Println("gogoreplace wants three arguments")
-		fmt.Println("	gogoreplace oldsubstring newsubstring filename")
-		os.Exit(1)
-	}
-	data, err := ioutil.ReadFile(args[3])
-	if err != nil {
-		panic(err)
-	}
-	data = bytes.Replace(data, []byte(args[1]), []byte(args[2]), -1)
-	if err := ioutil.WriteFile(args[3], data, 0666); err != nil {
-		panic(err)
-	}
-}