updated ebiten version from 2.7.9 to 2.9.9

vendor/github.com/ebitengine/purego/internal/fakecgo/doc.go

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: 2022 The Ebitengine Authors
 
-//go:build darwin || freebsd
+//go:build !cgo && (darwin || freebsd || linux || netbsd)
 
 // Package fakecgo implements the Cgo runtime (runtime/cgo) entirely in Go.
 // This allows code that calls into C to function properly when CGO_ENABLED=0.
@@ -30,4 +30,3 @@
 package fakecgo
 
 //go:generate go run gen.go
-//go:generate gofmt -s -w symbols.go