Update dependencies (#1951)

vendor/github.com/bwmarrin/discordgo/util.go

@@ -51,7 +51,7 @@ func MultipartBodyWithJSON(data interface{}, files []*File) (requestContentType
 
 	for i, file := range files {
 		h := make(textproto.MIMEHeader)
-		h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="file%d"; filename="%s"`, i, quoteEscaper.Replace(file.Name)))
+		h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="files[%d]"; filename="%s"`, i, quoteEscaper.Replace(file.Name)))
 		contentType := file.ContentType
 		if contentType == "" {
 			contentType = "application/octet-stream"
@@ -107,3 +107,19 @@ func bannerURL(bannerHash, staticBannerURL, animatedBannerURL, size string) stri
 	}
 	return URL
 }
+
+func iconURL(iconHash, staticIconURL, animatedIconURL, size string) string {
+	var URL string
+	if iconHash == "" {
+		return ""
+	} else if strings.HasPrefix(iconHash, "a_") {
+		URL = animatedIconURL
+	} else {
+		URL = staticIconURL
+	}
+
+	if size != "" {
+		return URL + "?size=" + size
+	}
+	return URL
+}