cmd/cgo/internal/test: skip TestCallbackCallersSEH when internal linking

TestCallbackCallersSEH is flaky when using the internal linker. Skip
it for now until the flakiness is resolved.

Updates #65116

Change-Id: I7628b07eaff8be00757d5604722f30aede25fce5
Reviewed-on: https://go-review.googlesource.com/c/go/+/556635
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

src/cmd/cgo/internal/test/seh_internal_windows_test.go

@@ -0,0 +1,16 @@
+// Copyright 2024 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build cgo && windows && internal
+
+package cgotest
+
+import (
+	"internal/testenv"
+	"testing"
+)
+
+func TestCallbackCallersSEH(t *testing.T) {
+	testenv.SkipFlaky(t, 65116)
+}

src/cmd/cgo/internal/test/seh_windows_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build cgo && windows
+//go:build cgo && windows && !internal
 
 package cgotest