feat: gitea: vendor + fix heatmap

package/gitea/source/modules/migration/schemas_bindata.go

@@ -0,0 +1,30 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build bindata
+
+//go:generate go run ../../build/generate-bindata.go ../../modules/migration/schemas bindata.dat
+
+package migration
+
+import (
+	"io"
+	"io/fs"
+	"path"
+	"sync"
+
+	_ "embed"
+
+	"code.gitea.io/gitea/modules/assetfs"
+)
+
+//go:embed bindata.dat
+var bindata []byte
+
+var BuiltinAssets = sync.OnceValue(func() fs.FS {
+	return assetfs.NewEmbeddedFS(bindata)
+})
+
+func openSchema(filename string) (io.ReadCloser, error) {
+	return BuiltinAssets().Open(path.Base(filename))
+}