fixed dependencies

vendor/git.sr.ht/~sbinet/gg/gg_gen.go

@@ -0,0 +1,11 @@
+// Copyright ©2023 The gg Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+//go:build tools
+
+package gg
+
+import (
+	_ "github.com/campoy/embedmd" // needed for generating gallery
+)