update OpenTelemetry dependencies and grpc

This update dropped the otelgrpc → cloud.google.com/go/compute dependency,
among others. This dropped out because genproto cleaned up it's dependencies
on google cloud libraries, and otel updated - details in #113366.

Signed-off-by: Davanum Srinivas <davanum@gmail.com>
Co-Authored-By: David Ashpole <dashpole@google.com>

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

@@ -29,6 +29,7 @@ import (
 
 	"google.golang.org/grpc/attributes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/serviceconfig"
 )
 
@@ -63,16 +64,18 @@ func Get(scheme string) Builder {
 }
 
 // SetDefaultScheme sets the default scheme that will be used. The default
-// default scheme is "passthrough".
+// scheme is initially set to "passthrough".
 //
 // NOTE: this function must only be called during initialization time (i.e. in
 // an init() function), and is not thread-safe. The scheme set last overrides
 // previously set values.
 func SetDefaultScheme(scheme string) {
 	defaultScheme = scheme
+	internal.UserSetDefaultScheme = true
 }
 
-// GetDefaultScheme gets the default scheme that will be used.
+// GetDefaultScheme gets the default scheme that will be used by grpc.Dial.  If
+// SetDefaultScheme is never called, the default scheme used by grpc.NewClient is "dns" instead.
 func GetDefaultScheme() string {
 	return defaultScheme
 }
@@ -168,6 +171,9 @@ type BuildOptions struct {
 	// field. In most cases though, it is not appropriate, and this field may
 	// be ignored.
 	Dialer func(context.Context, string) (net.Conn, error)
+	// Authority is the effective authority of the clientconn for which the
+	// resolver is built.
+	Authority string
 }
 
 // An Endpoint is one network endpoint, or server, which may have multiple
@@ -240,11 +246,6 @@ type ClientConn interface {
 	//
 	// Deprecated: Use UpdateState instead.
 	NewAddress(addresses []Address)
-	// NewServiceConfig is called by resolver to notify ClientConn a new
-	// service config. The service config should be provided as a json string.
-	//
-	// Deprecated: Use UpdateState instead.
-	NewServiceConfig(serviceConfig string)
 	// ParseServiceConfig parses the provided service config and returns an
 	// object that provides the parsed config.
 	ParseServiceConfig(serviceConfigJSON string) *serviceconfig.ParseResult
@@ -286,6 +287,11 @@ func (t Target) Endpoint() string {
 	return strings.TrimPrefix(endpoint, "/")
 }
 
+// String returns the canonical string representation of Target.
+func (t Target) String() string {
+	return t.URL.Scheme + "://" + t.URL.Host + "/" + t.Endpoint()
+}
+
 // Builder creates a resolver that will be used to watch name resolution updates.
 type Builder interface {
 	// Build creates a new resolver for the given target.
@@ -314,3 +320,13 @@ type Resolver interface {
 	// Close closes the resolver.
 	Close()
 }
+
+// AuthorityOverrider is implemented by Builders that wish to override the
+// default authority for the ClientConn.
+// By default, the authority used is target.Endpoint().
+type AuthorityOverrider interface {
+	// OverrideAuthority returns the authority to use for a ClientConn with the
+	// given target. The implementation must generate it without blocking,
+	// typically in line, and must keep it unchanged.
+	OverrideAuthority(Target) string
+}