fixup for 2fa auth in gitea

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

internal/source/github/github.go

@@ -9,12 +9,14 @@ import (
 )
 
 type Github struct {
-	Token string
+	Username string
+	Password string
 }
 
 func NewGithub(cfg configcli.Config) *Github {
 	return &Github{
-		Token: cfg.Source.Token,
+		Username: cfg.Source.Username,
+    Password: cfg.Source.Password,
 	}
 }