Updated dependencies, removed .NETStandard2.0

CHANGELOG.md

@@ -23,6 +23,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `UseDatabaseProvider()` throws `DatabaseProviderException` with more specific message content
 - Migrated repository from Gitlab to Gitea
+- Updated NuGet packages to oldest supported versions without known issues (to keep compatibility)
+- Replaced `Properties` by `Options` for `HttpMessageHandlerMoq`
+
+### Removed
+
+- Support for .NET Standard 2.0 (only "Core" LTS versions)
 
 
 ## v2.1.0, asp/v3.1.0, efc/v3.1.0, msgpack/v1.0.0, test/v2.2.0 - 2025-11-24