all: use new LocalAPI client package location

It was moved in f57fa3cbc3.

Updates tailscale/corp#22748

Change-Id: I19f965e6bded1d4c919310aa5b864f2de0cd6220
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

cmd/pgproxy/pgproxy.go

@@ -24,7 +24,7 @@ import (
 	"strings"
 	"time"
 
-	"tailscale.com/client/tailscale"
+	"tailscale.com/client/local"
 	"tailscale.com/metrics"
 	"tailscale.com/tsnet"
 	"tailscale.com/tsweb"
@@ -105,7 +105,7 @@ type proxy struct {
 	upstreamHost     string // "my.database.com"
 	upstreamCertPool *x509.CertPool
 	downstreamCert   []tls.Certificate
-	client           *tailscale.LocalClient
+	client           *local.Client
 
 	activeSessions  expvar.Int
 	startedSessions expvar.Int
@@ -115,7 +115,7 @@ type proxy struct {
 // newProxy returns a proxy that forwards connections to
 // upstreamAddr. The upstream's TLS session is verified using the CA
 // cert(s) in upstreamCAPath.
-func newProxy(upstreamAddr, upstreamCAPath string, client *tailscale.LocalClient) (*proxy, error) {
+func newProxy(upstreamAddr, upstreamCAPath string, client *local.Client) (*proxy, error) {
 	bs, err := os.ReadFile(upstreamCAPath)
 	if err != nil {
 		return nil, err