updated ebiten version from 2.7.9 to 2.9.9

vendor/github.com/ebitengine/purego/dlfcn_nocgo_netbsd.go

@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2025 The Ebitengine Authors
+
+package purego
+
+//go:cgo_import_dynamic purego_dlopen dlopen "libc.so"
+//go:cgo_import_dynamic purego_dlsym dlsym "libc.so"
+//go:cgo_import_dynamic purego_dlerror dlerror "libc.so"
+//go:cgo_import_dynamic purego_dlclose dlclose "libc.so"