Rephrase note about known skeleton issue with GLES2

tutorials/animation/2d_skeletons.rst

@@ -5,8 +5,8 @@
 
 .. warning::
 
-   Please note that 2D skeletons are currently not supported on Android (see `this issue
-   <https://github.com/godotengine/godot/issues/35772>`_ for more information).
+    There are known issues with 2D skeletons on mobile and web platforms with the GLES2 renderer. We
+    recommend using the GLES3 renderer if your project relies on Skeleton2D for now.
 
 Introduction
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