rebase: Bump google.golang.org/grpc from 1.57.0 to 1.58.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.57.0 to 1.58.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.57.0...v1.58.0)

---
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/resolver/resolver.go

@@ -77,25 +77,6 @@ func GetDefaultScheme() string {
 	return defaultScheme
 }
 
-// AddressType indicates the address type returned by name resolution.
-//
-// Deprecated: use Attributes in Address instead.
-type AddressType uint8
-
-const (
-	// Backend indicates the address is for a backend server.
-	//
-	// Deprecated: use Attributes in Address instead.
-	Backend AddressType = iota
-	// GRPCLB indicates the address is for a grpclb load balancer.
-	//
-	// Deprecated: to select the GRPCLB load balancing policy, use a service
-	// config with a corresponding loadBalancingConfig.  To supply balancer
-	// addresses to the GRPCLB load balancing policy, set State.Attributes
-	// using balancer/grpclb/state.Set.
-	GRPCLB
-)
-
 // Address represents a server the client connects to.
 //
 // # Experimental
@@ -111,9 +92,6 @@ type Address struct {
 	// the address, instead of the hostname from the Dial target string. In most cases,
 	// this should not be set.
 	//
-	// If Type is GRPCLB, ServerName should be the name of the remote load
-	// balancer, not the name of the backend.
-	//
 	// WARNING: ServerName must only be populated with trusted values. It
 	// is insecure to populate it with data from untrusted inputs since untrusted
 	// values could be used to bypass the authority checks performed by TLS.
@@ -126,18 +104,16 @@ type Address struct {
 	// BalancerAttributes contains arbitrary data about this address intended
 	// for consumption by the LB policy.  These attributes do not affect SubConn
 	// creation, connection establishment, handshaking, etc.
-	BalancerAttributes *attributes.Attributes
-
-	// Type is the type of this address.
 	//
-	// Deprecated: use Attributes instead.
-	Type AddressType
+	// Deprecated: when an Address is inside an Endpoint, this field should not
+	// be used, and it will eventually be removed entirely.
+	BalancerAttributes *attributes.Attributes
 
 	// Metadata is the information associated with Addr, which may be used
 	// to make load balancing decision.
 	//
 	// Deprecated: use Attributes instead.
-	Metadata interface{}
+	Metadata any
 }
 
 // Equal returns whether a and o are identical.  Metadata is compared directly,
@@ -150,7 +126,7 @@ func (a Address) Equal(o Address) bool {
 	return a.Addr == o.Addr && a.ServerName == o.ServerName &&
 		a.Attributes.Equal(o.Attributes) &&
 		a.BalancerAttributes.Equal(o.BalancerAttributes) &&
-		a.Type == o.Type && a.Metadata == o.Metadata
+		a.Metadata == o.Metadata
 }
 
 // String returns JSON formatted string representation of the address.
@@ -194,11 +170,37 @@ type BuildOptions struct {
 	Dialer func(context.Context, string) (net.Conn, error)
 }
 
+// An Endpoint is one network endpoint, or server, which may have multiple
+// addresses with which it can be accessed.
+type Endpoint struct {
+	// Addresses contains a list of addresses used to access this endpoint.
+	Addresses []Address
+
+	// Attributes contains arbitrary data about this endpoint intended for
+	// consumption by the LB policy.
+	Attributes *attributes.Attributes
+}
+
 // State contains the current Resolver state relevant to the ClientConn.
 type State struct {
 	// Addresses is the latest set of resolved addresses for the target.
+	//
+	// If a resolver sets Addresses but does not set Endpoints, one Endpoint
+	// will be created for each Address before the State is passed to the LB
+	// policy.  The BalancerAttributes of each entry in Addresses will be set
+	// in Endpoints.Attributes, and be cleared in the Endpoint's Address's
+	// BalancerAttributes.
+	//
+	// Soon, Addresses will be deprecated and replaced fully by Endpoints.
 	Addresses []Address
 
+	// Endpoints is the latest set of resolved endpoints for the target.
+	//
+	// If a resolver produces a State containing Endpoints but not Addresses,
+	// it must take care to ensure the LB policies it selects will support
+	// Endpoints.
+	Endpoints []Endpoint
+
 	// ServiceConfig contains the result from parsing the latest service
 	// config.  If it is nil, it indicates no service config is present or the
 	// resolver does not provide service configs.
@@ -258,15 +260,6 @@ type ClientConn interface {
 // target does not contain a scheme or if the parsed scheme is not registered
 // (i.e. no corresponding resolver available to resolve the endpoint), we will
 // apply the default scheme, and will attempt to reparse it.
-//
-// Examples:
-//
-//   - "dns://some_authority/foo.bar"
-//     Target{Scheme: "dns", Authority: "some_authority", Endpoint: "foo.bar"}
-//   - "foo.bar"
-//     Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "foo.bar"}
-//   - "unknown_scheme://authority/endpoint"
-//     Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"}
 type Target struct {
 	// URL contains the parsed dial target with an optional default scheme added
 	// to it if the original dial target contained no scheme or contained an
@@ -321,10 +314,3 @@ type Resolver interface {
 	// Close closes the resolver.
 	Close()
 }
-
-// UnregisterForTesting removes the resolver builder with the given scheme from the
-// resolver map.
-// This function is for testing only.
-func UnregisterForTesting(scheme string) {
-	delete(m, scheme)
-}