* Update package versions in Directory.Packages.props
Upgraded multiple package dependencies to latest versions, ensuring compatibility, security, and access to the newest features.
* Refactor mediator pipeline to support tenant context propagation
- Introduced `TenantPropagatingMiddleware` to handle tenant context propagation during command execution.
- Added `SetupMediatorPipelines` hosted service for configuring mediator pipelines.
- Enhanced `CommandPipeline` and builder to allow middleware insertion, removal, and reordering.
- Updated `CommandContext` and related components to support headers for tenant context handling.
- Improved logging and refactored `BackgroundWorkflowDispatcher` to include tenant headers during command dispatch.
* Fix typos in XML documentation and improve middleware extension clarity
- Corrected duplicated slashes in XML doc comments in `ICommandSender.cs`.
- Refined phrasing in `MiddlewareExtensions.cs` to clarify method parameters and improve readability.
* Update src/common/Elsa.Mediator/Middleware/Command/Components/CommandLoggingMiddleware.cs
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
