fix: Add additional validation for timeout while retrieving headers (#…

…14217)

pkg/storage/chunk/client/gcp/gcs_object_client.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"net"
 	"net/http"
+	"strings"
 	"time"
 
 	"cloud.google.com/go/storage"
@@ -269,7 +270,9 @@ func (s *GCSObjectClient) IsStorageTimeoutErr(err error) bool {
 	// TODO(dannyk): move these out to be generic
 	// context errors are all client-side
 	if isContextErr(err) {
-		return false
+		// Go 1.23 changed the type of the error returned by the http client when a timeout occurs
+		// while waiting for headers.  This is a server side timeout.
+		return strings.Contains(err.Error(), "Client.Timeout exceeded while awaiting header")
 	}
 
 	// connection misconfiguration, or writing on a closed connection