chore(go.mod): update Tailscale dependency (#16224)

Updates Tailscale to latest coder/tailscale fork and replaces inet.af/peercred with github.com/tailscale/peercred

Change-Id: If67aff922268a268572ae83fad46f04ce45d200d
Signed-off-by: Thomas Kosiewski <tk@coder.com>

go.mod

@@ -36,7 +36,7 @@ replace github.com/tcnksm/go-httpstat => github.com/coder/go-httpstat v0.0.0-202
 
 // There are a few minor changes we make to Tailscale that we're slowly upstreaming. Compare here:
 // https://github.com/tailscale/tailscale/compare/main...coder:tailscale:main
-replace tailscale.com => github.com/coder/tailscale v1.1.1-0.20241218201526-b53d914d625f
+replace tailscale.com => github.com/coder/tailscale v1.1.1-0.20250121163848-c7962497b482
 
 // This is replaced to include
 // 1. a fix for a data race: c.f. https://github.com/tailscale/wireguard-go/pull/25
@@ -191,7 +191,7 @@ require (
 	golang.org/x/net v0.34.0
 	golang.org/x/oauth2 v0.25.0
 	golang.org/x/sync v0.10.0
-	golang.org/x/sys v0.29.0
+	golang.org/x/sys v0.29.1-0.20250107080300-1c14dcadc3ab
 	golang.org/x/term v0.28.0
 	golang.org/x/text v0.21.0 // indirect
 	golang.org/x/tools v0.29.0
@@ -432,7 +432,6 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	howett.net/plist v1.0.0 // indirect
-	inet.af/peercred v0.0.0-20210906144145-0893ea02156a // indirect
 	kernel.org/pub/linux/libs/security/libcap/psx v1.2.73 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
 )
@@ -460,6 +459,7 @@ require (
 	github.com/power-devops/perfstat v0.0.0-20220216144756-c35f1ee13d7c // indirect
 	github.com/shirou/gopsutil/v3 v3.24.4 // indirect
 	github.com/shoenig/go-m1cpu v0.1.6 // indirect
+	github.com/tailscale/peercred v0.0.0-20250107143737-35a0c7bd7edc // indirect
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect