This pull request updates the following dependencies

## From https://github.com/dotnet/dotnet

- **Subscription**: [12359e24-a8af-4571-8364-53f91576a580](https://maestro.dot.net/subscriptions?search=12359e24-a8af-4571-8364-53f91576a580)
- **Build**: [20260105.2](https://dev.azure.com/dnceng/internal/_build/results?buildId=2872392) ([296040](https://maestro.dot.net/channel/8298/github:dotnet:dotnet/build/296040))
- **Date Produced**: January 6, 2026 12:20:56 AM UTC
- **Commit**: [fb2e783fa530d337a56ef5c528a2807b7d63e46d](dotnet/dotnet@fb2e783)
- **Branch**: [main](https://github.com/dotnet/dotnet/tree/main)

- **Dependency Updates**:
  - From [11.0.0-alpha.1.25619.109 to 11.0.0-alpha.1.26055.102][1]
     - Microsoft.NET.Runtime.MonoTargets.Sdk
     - Microsoft.NET.ILLink
     - Microsoft.NET.ILLink.Tasks
     - Microsoft.NETCore.App.Ref
  - From [11.0.0-beta.25619.109 to 11.0.0-beta.26055.102][1]
     - Microsoft.DotNet.Arcade.Sdk
     - Microsoft.DotNet.Build.Tasks.Feed
     - Microsoft.DotNet.SharedFramework.Sdk
  - From [0.11.5-alpha.25619.109 to 0.11.5-alpha.26055.102][1]
     - Microsoft.DotNet.Cecil
  - From [11.0.100-alpha.1.25619.109 to 11.0.100-alpha.1.26055.102][1]
     - Microsoft.NET.Sdk
  - From [11.0.100-alpha.25619.109 to 11.0.100-alpha.26055.102][1]
     - Microsoft.TemplateEngine.Authoring.Tasks

[1]: dotnet/dotnet@5661a2c...fb2e783

Also download the latest version of coreclrhost.h.

…urations

- Introduced ReadyToRun configuration in Xamarin.Shared.Sdk.props.
- Updated bundler environment variables in Xamarin.Shared.Sdk.targets to support ReadyToRun.
- Added host_runtime_contract.h to the build process in Makefile.
- Updated coreclr-bridge.m and runtime.m for R2R image handling and logging.
- Updated runtime.h to reflect changes in the xamarin_pinvoke_override function signature.
- Adjusted how the native main function is generated to load the RTR_HEADER symbol when using ReadyToRun.

…dyToRun compiler's composite output.

And then link with and bundle the .framework or .dylib we created.

…e're in Release.

* Introduce ReadyToRun configuration in `Xamarin.Shared.Sdk.props`.
* Add ReadyToRun targets to `Microsoft.Shared.R2R.targets` (a new file).
* Update bundler environment variables in `Xamarin.Shared.Sdk.targets` to support ReadyToRun
* Add `host_runtime_contract.h` to the build process in Makefile
* Update `coreclr-bridge.m` and `runtime.m` for R2R image handling and logging
* Update `runtime.h` to reflect changes in the `xamarin_pinvoke_override` function signature
* Add support in the `CompileAppManifest` target to create the `Info.plist` for frameworks.
* Enable CoreCLR tests run R2R.
* Add a test variation for CoreCLR for the app size test.

Fixes dotnet/runtime#120052.

---------

Co-authored-by: Milos Kotlar <kotlarmilos@gmail.com>