Fix silent message loss from concurrent PublishAsync on MessageContext - #2536

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Codegen/EFCorePersistenceFrameProvider.cs(40,17): warning CS8767: Nullability of reference types in type of parameter 'result' of 'bool EFCorePersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' doesn't match implicitly implemented member 'bool IPersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Wolverine.EntityFrameworkCore.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Codegen/EFCorePersistenceFrameProvider.cs(40,17): warning CS8767: Nullability of reference types in type of parameter 'frame' of 'bool EFCorePersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' doesn't match implicitly implemented member 'bool IPersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Wolverine.EntityFrameworkCore.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Wolverine.EntityFrameworkCore.csproj : warning NU1903: Package 'System.Security.Cryptography.Xml' 8.0.0 has a known high severity vulnerability, https://github.com/advisories/GHSA-w3x6-4m5h-cxqf [TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Wolverine.EntityFrameworkCore.csproj : warning NU1903: Package 'System.Security.Cryptography.Xml' 8.0.0 has a known high severity vulnerability, https://github.com/advisories/GHSA-37gx-xxp4-5rgx [TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Runtime/Agents/IAgent.cs(32,27): warning CS1066: The default value specified for parameter 'cancellationToken' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net8.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Middleware/TryCatchFinallyFrame.cs(177,17): warning CS8767: Nullability of reference types in type of parameter 'variable' of 'bool CatchBlockMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' doesn't match implicitly implemented member 'bool IMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net8.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Runtime/Agents/IAgent.cs(32,27): warning CS1066: The default value specified for parameter 'cancellationToken' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Middleware/TryCatchFinallyFrame.cs(177,17): warning CS8767: Nullability of reference types in type of parameter 'variable' of 'bool CatchBlockMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' doesn't match implicitly implemented member 'bool IMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.EntityFrameworkCore/Wolverine.EntityFrameworkCore.csproj : warning NU1903: Package 'System.Security.Cryptography.Xml' 8.0.0 has a known high severity vulnerability, https://github.com/advisories/GHSA-w3x6-4m5h-cxqf [/home/runner/work/wolverine/wolverine/src/Http/Wolverine.Http.Tests/Wolverine.Http.Tests.csproj]