rebase: bump google.golang.org/grpc from 1.65.0 to 1.66.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.65.0 to 1.66.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.65.0...v1.66.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/google.golang.org/grpc/balancer/balancer.go

@@ -30,6 +30,7 @@ import (
 	"google.golang.org/grpc/channelz"
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
+	estats "google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/metadata"
@@ -72,8 +73,21 @@ func unregisterForTesting(name string) {
 	delete(m, name)
 }
 
+// connectedAddress returns the connected address for a SubConnState. The
+// address is only valid if the state is READY.
+func connectedAddress(scs SubConnState) resolver.Address {
+	return scs.connectedAddress
+}
+
+// setConnectedAddress sets the connected address for a SubConnState.
+func setConnectedAddress(scs *SubConnState, addr resolver.Address) {
+	scs.connectedAddress = addr
+}
+
 func init() {
 	internal.BalancerUnregister = unregisterForTesting
+	internal.ConnectedAddress = connectedAddress
+	internal.SetConnectedAddress = setConnectedAddress
 }
 
 // Get returns the resolver builder registered with the given name.
@@ -243,6 +257,10 @@ type BuildOptions struct {
 	// same resolver.Target as passed to the resolver. See the documentation for
 	// the resolver.Target type for details about what it contains.
 	Target resolver.Target
+	// MetricsRecorder is the metrics recorder that balancers can use to record
+	// metrics. Balancer implementations which do not register metrics on
+	// metrics registry and record on them can ignore this field.
+	MetricsRecorder estats.MetricsRecorder
 }
 
 // Builder creates a balancer.
@@ -410,6 +428,9 @@ type SubConnState struct {
 	// ConnectionError is set if the ConnectivityState is TransientFailure,
 	// describing the reason the SubConn failed.  Otherwise, it is nil.
 	ConnectionError error
+	// connectedAddr contains the connected address when ConnectivityState is
+	// Ready. Otherwise, it is indeterminate.
+	connectedAddress resolver.Address
 }
 
 // ClientConnState describes the state of a ClientConn relevant to the

vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go

@@ -155,7 +155,7 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState
 		// Endpoints not set, process addresses until we migrate resolver
 		// emissions fully to Endpoints. The top channel does wrap emitted
 		// addresses with endpoints, however some balancers such as weighted
-		// target do not forwarrd the corresponding correct endpoints down/split
+		// target do not forward the corresponding correct endpoints down/split
 		// endpoints properly. Once all balancers correctly forward endpoints
 		// down, can delete this else conditional.
 		addrs = state.ResolverState.Addresses