all: update golang.zx2c4.com/wireguard to github.com/tailscale/wireguard-go (#6692)

This is temporary while we work to upstream performance work in
https://github.com/WireGuard/wireguard-go/pull/64. A replace directive
is less ideal as it breaks dependent code without duplication of the
directive.

Signed-off-by: Jordan Whited <jordan@tailscale.com>

cmd/tailscaled/tailscaled_windows.go

@@ -35,11 +35,11 @@ import (
 	"time"
 
 	"github.com/dblohm7/wingoes/com"
+	"github.com/tailscale/wireguard-go/tun"
 	"golang.org/x/sys/windows"
 	"golang.org/x/sys/windows/svc"
 	"golang.org/x/sys/windows/svc/eventlog"
 	"golang.zx2c4.com/wintun"
-	"golang.zx2c4.com/wireguard/tun"
 	"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
 	"tailscale.com/envknob"
 	"tailscale.com/logpolicy"