Updating server dependancies. Also adding github.com/jaytaylor/html2text and gopkg.in/gomail.v2 (#5748)

vendor/github.com/spf13/cobra/doc/util.go

@@ -27,7 +27,7 @@ func hasSeeAlso(cmd *cobra.Command) bool {
 		return true
 	}
 	for _, c := range cmd.Commands() {
-		if !c.IsAvailableCommand() || c.IsHelpCommand() {
+		if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() {
 			continue
 		}
 		return true