fix: scanner.Err() + log import

server/router_versions.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"log"
 	"net/http"
 	"net/url"
 	"sort"
@@ -109,6 +110,9 @@ func downloadVersion(w http.ResponseWriter, namespace, pType, version, osType, a
 				break
 			}
 		}
+		if err := scanner.Err(); err != nil {
+			log.Printf("Error scanning SHA256SUMS: %v", err)
+		}
 	}
 
 	baseURL := "https://" + hostname