audit work, fixed StellaOps.sln warnings/errors, fixed tests, sprints work, new advisories

src/SbomService/StellaOps.SbomService/Services/ReplayVerificationService.cs

@@ -8,6 +8,7 @@
 using System.Collections.Concurrent;
 using System.Collections.Immutable;
 using System.Diagnostics;
+using System.Globalization;
 using Microsoft.Extensions.Logging;
 
 namespace StellaOps.SbomService.Services;
@@ -295,8 +296,8 @@ internal sealed class ReplayVerificationService : IReplayVerificationService
             drifts.Add(new ReplayFieldDrift
             {
                 FieldName = "Timestamp",
-                ExpectedValue = expected.Timestamp.ToString("O"),
-                ActualValue = actual.Timestamp.ToString("O"),
+                ExpectedValue = expected.Timestamp.ToString("O", CultureInfo.InvariantCulture),
+                ActualValue = actual.Timestamp.ToString("O", CultureInfo.InvariantCulture),
                 Severity = "info",
                 Description = "Evaluation timestamp differs (expected when not freezing time)"
             });