TUN-8685: Bump coredns dependency

Closes TUN-8685

vendor/github.com/gobwas/ws/wsutil/extenstion.go

@@ -0,0 +1,31 @@
+package wsutil
+
+import "github.com/gobwas/ws"
+
+// RecvExtension is an interface for clearing fragment header RSV bits.
+type RecvExtension interface {
+	UnsetBits(ws.Header) (ws.Header, error)
+}
+
+// RecvExtensionFunc is an adapter to allow the use of ordinary functions as
+// RecvExtension.
+type RecvExtensionFunc func(ws.Header) (ws.Header, error)
+
+// BitsRecv implements RecvExtension.
+func (fn RecvExtensionFunc) UnsetBits(h ws.Header) (ws.Header, error) {
+	return fn(h)
+}
+
+// SendExtension is an interface for setting fragment header RSV bits.
+type SendExtension interface {
+	SetBits(ws.Header) (ws.Header, error)
+}
+
+// SendExtensionFunc is an adapter to allow the use of ordinary functions as
+// SendExtension.
+type SendExtensionFunc func(ws.Header) (ws.Header, error)
+
+// BitsSend implements SendExtension.
+func (fn SendExtensionFunc) SetBits(h ws.Header) (ws.Header, error) {
+	return fn(h)
+}