rebase: bump google.golang.org/grpc from 1.51.0 to 1.52.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.51.0 to 1.52.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.51.0...v1.52.0)

---
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/internal/resolver/dns/dns_resolver.go

@@ -32,7 +32,7 @@ import (
 	"sync"
 	"time"
 
-	grpclbstate "google.golang.org/grpc/balancer/grpclb/state"
+	grpclbstate "google.golang.org/grpc/balancer/grpclb/grpclbstate"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/backoff"
 	"google.golang.org/grpc/internal/envconfig"
@@ -140,10 +140,10 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts
 		disableServiceConfig: opts.DisableServiceConfig,
 	}
 
-	if target.Authority == "" {
+	if target.URL.Host == "" {
 		d.resolver = defaultResolver
 	} else {
-		d.resolver, err = customAuthorityResolver(target.Authority)
+		d.resolver, err = customAuthorityResolver(target.URL.Host)
 		if err != nil {
 			return nil, err
 		}

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

@@ -20,13 +20,20 @@
 // name without scheme back to gRPC as resolved address.
 package passthrough
 
-import "google.golang.org/grpc/resolver"
+import (
+	"errors"
+
+	"google.golang.org/grpc/resolver"
+)
 
 const scheme = "passthrough"
 
 type passthroughBuilder struct{}
 
 func (*passthroughBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions) (resolver.Resolver, error) {
+	if target.Endpoint == "" && opts.Dialer == nil {
+		return nil, errors.New("passthrough: received empty target in Build()")
+	}
 	r := &passthroughResolver{
 		target: target,
 		cc:     cc,

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

@@ -34,8 +34,8 @@ type builder struct {
 }
 
 func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolver.BuildOptions) (resolver.Resolver, error) {
-	if target.Authority != "" {
-		return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.Authority)
+	if target.URL.Host != "" {
+		return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.URL.Host)
 	}
 
 	// gRPC was parsing the dial target manually before PR #4817, and we