Mono: Mention that log profiler is Unix-only for now

Cf. godotengine/godot#29005.

getting_started/scripting/c_sharp/c_sharp_basics.rst

@@ -268,7 +268,7 @@ msbuild to use, run:
 Profiling your C# code
 ----------------------
 
-- `Mono log profiler <https://www.mono-project.com/docs/debug+profile/profile/profiler/>`_ is available via `this PR <https://github.com/godotengine/godot/pull/26513>`_.
+- `Mono log profiler <https://www.mono-project.com/docs/debug+profile/profile/profiler/>`_ is available for Linux and macOS. Due to a Mono change, it does not work on Windows currently.
 - External Mono profiler like `JetBrains dotTrace <https://www.jetbrains.com/profiler/>`_ can be used as described `here <https://github.com/godotengine/godot/pull/34382>`_.
 
 Configuring VS 2019 for debugging