rebase: bump google.golang.org/grpc from 1.72.2 to 1.73.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.72.2 to 1.73.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.72.2...v1.73.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.73.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/google.golang.org/grpc/internal/transport/http2_client.go

@@ -545,7 +545,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		Method:   callHdr.Method,
 		AuthInfo: t.authInfo,
 	}
-	ctxWithRequestInfo := icredentials.NewRequestInfoContext(ctx, ri)
+	ctxWithRequestInfo := credentials.NewContextWithRequestInfo(ctx, ri)
 	authData, err := t.getTrAuthData(ctxWithRequestInfo, aud)
 	if err != nil {
 		return nil, err
@@ -592,6 +592,9 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		// Send out timeout regardless its value. The server can detect timeout context by itself.
 		// TODO(mmukhi): Perhaps this field should be updated when actually writing out to the wire.
 		timeout := time.Until(dl)
+		if timeout <= 0 {
+			return nil, status.Error(codes.DeadlineExceeded, context.DeadlineExceeded.Error())
+		}
 		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-timeout", Value: grpcutil.EncodeDuration(timeout)})
 	}
 	for k, v := range authData {
@@ -749,6 +752,25 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*ClientS
 		callHdr = &newCallHdr
 	}
 
+	// The authority specified via the `CallAuthority` CallOption takes the
+	// highest precedence when determining the `:authority` header. It overrides
+	// any value present in the Host field of CallHdr. Before applying this
+	// override, the authority string is validated. If the credentials do not
+	// implement the AuthorityValidator interface, or if validation fails, the
+	// RPC is failed with a status code of `UNAVAILABLE`.
+	if callHdr.Authority != "" {
+		auth, ok := t.authInfo.(credentials.AuthorityValidator)
+		if !ok {
+			return nil, &NewStreamError{Err: status.Errorf(codes.Unavailable, "credentials type %q does not implement the AuthorityValidator interface, but authority override specified with CallAuthority call option", t.authInfo.AuthType())}
+		}
+		if err := auth.ValidateAuthority(callHdr.Authority); err != nil {
+			return nil, &NewStreamError{Err: status.Errorf(codes.Unavailable, "failed to validate authority %q : %v", callHdr.Authority, err)}
+		}
+		newCallHdr := *callHdr
+		newCallHdr.Host = callHdr.Authority
+		callHdr = &newCallHdr
+	}
+
 	headerFields, err := t.createHeaderFields(ctx, callHdr)
 	if err != nil {
 		return nil, &NewStreamError{Err: err, AllowTransparentRetry: false}

vendor/google.golang.org/grpc/internal/transport/http2_server.go

@@ -39,6 +39,7 @@ import (
 	"google.golang.org/grpc/internal/grpclog"
 	"google.golang.org/grpc/internal/grpcutil"
 	"google.golang.org/grpc/internal/pretty"
+	istatus "google.golang.org/grpc/internal/status"
 	"google.golang.org/grpc/internal/syscall"
 	"google.golang.org/grpc/mem"
 	"google.golang.org/protobuf/proto"
@@ -1055,7 +1056,7 @@ func (t *http2Server) writeHeaderLocked(s *ServerStream) error {
 	return nil
 }
 
-// WriteStatus sends stream status to the client and terminates the stream.
+// writeStatus sends stream status to the client and terminates the stream.
 // There is no further I/O operations being able to perform on this stream.
 // TODO(zhaoq): Now it indicates the end of entire stream. Revisit if early
 // OK is adopted.
@@ -1083,7 +1084,7 @@ func (t *http2Server) writeStatus(s *ServerStream, st *status.Status) error {
 	headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-status", Value: strconv.Itoa(int(st.Code()))})
 	headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-message", Value: encodeGrpcMessage(st.Message())})
 
-	if p := st.Proto(); p != nil && len(p.Details) > 0 {
+	if p := istatus.RawStatusProto(st); len(p.GetDetails()) > 0 {
 		// Do not use the user's grpc-status-details-bin (if present) if we are
 		// even attempting to set our own.
 		delete(s.trailer, grpcStatusDetailsBinHeader)

vendor/google.golang.org/grpc/internal/transport/http_util.go

@@ -196,11 +196,14 @@ func decodeTimeout(s string) (time.Duration, error) {
 	if !ok {
 		return 0, fmt.Errorf("transport: timeout unit is not recognized: %q", s)
 	}
-	t, err := strconv.ParseInt(s[:size-1], 10, 64)
+	t, err := strconv.ParseUint(s[:size-1], 10, 64)
 	if err != nil {
 		return 0, err
 	}
-	const maxHours = math.MaxInt64 / int64(time.Hour)
+	if t == 0 {
+		return 0, fmt.Errorf("transport: timeout must be positive: %q", s)
+	}
+	const maxHours = math.MaxInt64 / uint64(time.Hour)
 	if d == time.Hour && t > maxHours {
 		// This timeout would overflow math.MaxInt64; clamp it.
 		return time.Duration(math.MaxInt64), nil

vendor/google.golang.org/grpc/internal/transport/transport.go

@@ -540,6 +540,11 @@ type CallHdr struct {
 	PreviousAttempts int // value of grpc-previous-rpc-attempts header to set
 
 	DoneFunc func() // called when the stream is finished
+
+	// Authority is used to explicitly override the `:authority` header. If set,
+	// this value takes precedence over the Host field and will be used as the
+	// value for the `:authority` header.
+	Authority string
 }
 
 // ClientTransport is the common interface for all gRPC client-side transport