go.{mod,sum}: update inet.af/tcpproxy to fix flaking test

```
[nix-shell:~/tailscale]$ ./tool/go test ./cmd/sniproxy --failfast --count 80
ok  	tailscale.com/cmd/sniproxy	127.085s
[nix-shell:~/tailscale]$ ./tool/go test ./cmd/sniproxy --failfast --count 80
ok  	tailscale.com/cmd/sniproxy	127.030s
```

Fixes: #10056
Signed-off-by: Tom DNetto <tom@tailscale.com>

go.mod

@@ -92,7 +92,7 @@ require (
 	gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c
 	honnef.co/go/tools v0.4.6
 	inet.af/peercred v0.0.0-20210906144145-0893ea02156a
-	inet.af/tcpproxy v0.0.0-20221017015627-91f861402626
+	inet.af/tcpproxy v0.0.0-20231102063150-2862066fc2a9
 	inet.af/wf v0.0.0-20221017222439-36129f591884
 	k8s.io/api v0.28.2
 	k8s.io/apimachinery v0.28.2

go.sum

@@ -1437,8 +1437,8 @@ howett.net/plist v1.0.0 h1:7CrbWYbPPO/PyNy38b2EB/+gYbjCe2DXBxgtOOZbSQM=
 howett.net/plist v1.0.0/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
 inet.af/peercred v0.0.0-20210906144145-0893ea02156a h1:qdkS8Q5/i10xU2ArJMKYhVa1DORzBfYS/qA2UK2jheg=
 inet.af/peercred v0.0.0-20210906144145-0893ea02156a/go.mod h1:FjawnflS/udxX+SvpsMgZfdqx2aykOlkISeAsADi5IU=
-inet.af/tcpproxy v0.0.0-20221017015627-91f861402626 h1:2dMP3Ox/Wh5BiItwOt4jxRsfzkgyBrHzx2nW28Yg6nc=
-inet.af/tcpproxy v0.0.0-20221017015627-91f861402626/go.mod h1:Tojt5kmHpDIR2jMojxzZK2w2ZR7OILODmUo2gaSwjrk=
+inet.af/tcpproxy v0.0.0-20231102063150-2862066fc2a9 h1:zomTWJvjwLbKRgGameQtpK6DNFUbZ2oNJuWhgUkGp3M=
+inet.af/tcpproxy v0.0.0-20231102063150-2862066fc2a9/go.mod h1:Tojt5kmHpDIR2jMojxzZK2w2ZR7OILODmUo2gaSwjrk=
 inet.af/wf v0.0.0-20221017222439-36129f591884 h1:zg9snq3Cpy50lWuVqDYM7AIRVTtU50y5WXETMFohW/Q=
 inet.af/wf v0.0.0-20221017222439-36129f591884/go.mod h1:bSAQ38BYbY68uwpasXOTZo22dKGy9SNvI6PZFeKomZE=
 k8s.io/api v0.28.2 h1:9mpl5mOb6vXZvqbQmankOfPIGiudghwCoLl1EYfUZbw=