Refactor and update test projects, remove obsolete tests, and upgrade dependencies

- Deleted obsolete test files for SchedulerAuditService and SchedulerMongoSessionFactory.
- Removed unused TestDataFactory class.
- Updated project files for Mongo.Tests to remove references to deleted files.
- Upgraded BouncyCastle.Cryptography package to version 2.6.2 across multiple projects.
- Replaced Microsoft.Extensions.Http.Polly with Microsoft.Extensions.Http.Resilience in Zastava.Webhook project.
- Updated NetEscapades.Configuration.Yaml package to version 3.1.0 in Configuration library.
- Upgraded Pkcs11Interop package to version 5.1.2 in Cryptography libraries.
- Refactored Argon2idPasswordHasher to use BouncyCastle for hashing instead of Konscious.
- Updated JsonSchema.Net package to version 7.3.2 in Microservice project.
- Updated global.json to use .NET SDK version 10.0.101.

NuGet.config

@@ -2,13 +2,9 @@
 <configuration>
   <packageSources>
     <clear />
-    <add key="local-nugets" value="./local-nugets" />
-    <add key="dotnet-public" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json" />
+    <add key="nuget-mirror" value="https://mirrors.ablera.dev/nuget/nuget-mirror/v3/index.json" />
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
-  <config>
-    <add key="globalPackagesFolder" value="./.nuget/packages" />
-  </config>
   <fallbackPackageFolders>
     <clear />
   </fallbackPackageFolders>