Smaller fix

sh.actions.package-cleanup/Service/PackageService.cs

@@ -189,14 +189,15 @@ public class PackageService(IConfiguration configuration, IGiteaPackageService p
         // Prerelease versions contain identifiers like -alpha, -beta, -rc, -preview
         // But NOT -dev, which is a separate release type
         var lowerVersion = version.ToLowerInvariant();
-        return (lowerVersion.Contains("-alpha") || lowerVersion.Contains("-beta") || 
+        return (lowerVersion.Contains("alpha") || lowerVersion.Contains("beta") ||
-               lowerVersion.Contains("-rc") || lowerVersion.Contains("-preview")) && !lowerVersion.Contains("-dev");
+                lowerVersion.Contains("rc") || lowerVersion.Contains("preview")) ||
+               lowerVersion.Contains("staging") && !lowerVersion.Contains("dev");
     }
 
     private bool IsDevRelease(string version)
     {
-        // Dev versions contain identifiers like -dev or similar
+        // Dev versions contain identifiers like dev or similar
-        return version.ToLowerInvariant().Contains("-dev");
+        return version.ToLowerInvariant().Contains("dev");
     }
 
     // Helper methods to identify versioning variant