Fixed all the problem reported by unconvert

.golangci.yml

@@ -33,6 +33,5 @@ linters:
   - megacheck
   - nakedret
   - prealloc
-  - unconvert
   - unparam
   - varcheck

commands/login/login.go

@@ -80,7 +80,7 @@ func run(cmd *cobra.Command, args []string) {
 
 	if passwordEmpty {
 		fmt.Print("Password: ")
-		pass, err := terminal.ReadPassword(int(syscall.Stdin))
+		pass, err := terminal.ReadPassword(syscall.Stdin)
 		if err != nil {
 			formatter.PrintError(err, "Cannot read password, login aborted.")
 			return