* Bump maccore.
New commits in xamarin/maccore:
* xamarin/maccore@9acbbed1f6 [mlaunch] Add support for Xcode 13 beta 1. (#2452)
* xamarin/maccore@e48f75c0b6 [Xamarin.Hosting] Fix the --stdout arg not being forwarded to DeviceLaunchConfig (#2435)
* xamarin/maccore@109c695b1b [Xamarin.Hosting] Fix help string for launchdev argument (#2429)
Diff: cddbd1915d..9acbbed1f6
* [xtro] Fix generation of .pch files
* [xtro] Fix deprecated check to handle (anonymous) declarations and enable latest C# syntax in project
* [xtro] Fix _sanity_ checks
* [xtro] Update todo for beta 1
* [Siminstaller] Force siminstaller to use the xcode 12.5 url
Related issue: https://github.com/xamarin/xamarin-macios/issues/11881
* Fix introspection failures (due to [breaking] changes)
* [tests][intro] Fix hang for tvOS
Creating an instance of `NSMetadataQuery` hangs the simulator.
Even after (xharness) timeout the simulator is not in a good state
to run further tests and every new (tvOS) test will also hang...
* [tests][intro] Same hang for watchOS
except that further test execution does not seem affected (like tvOS)
```
CoreSimulator 772.1 - Device: Apple Watch Series 3 - 38mm (watchOS 8.0) - created by XHarness (42262867-E060-40C0-803E-6DA676AF50CC) - Runtime: watchOS 8.0 (19R5266p) - DeviceType: Apple Watch Series 3 - 38mm
Thread 0 Crashed:: tid_103 Dispatch queue: com.apple.main-thread
0 com.apple.Foundation 0x00007fff21470bd0 -[NSMetadataQuery dealloc] + 432
1 libobjc.A.dylib 0x00007fff200d11f7 objc_object::sidetable_release(bool, bool) + 177
2 com.apple.Foundation 0x00007fff21470a03 -[NSMetadataQuery init] + 64
3 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107efc139 xamarin_dyn_objc_msgSend + 217 (trampolines-x86_64-objc_msgSend.s:15)
4 ??? 0x000000010c76d4f6 0 + 4504081654
5 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107cffc85 mono_jit_runtime_invoke + 1621 (mini-runtime.c:3197)
6 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107e177d8 do_runtime_invoke + 54 (object.c:3052) [inlined]
7 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107e177d8 mono_runtime_invoke_checked + 136 (object.c:3220)
8 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107e1e3c5 mono_runtime_try_invoke_array + 2101 (object.c:5601)
9 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107daf977 ves_icall_InternalInvoke + 871 (icall.c:3927)
10 com.xamarin.introspection_watch.watchkitapp.watchkitextension 0x0000000107dc0167 ves_icall_InternalInvoke_raw + 103 (icall-def.h:667)
11 ??? 0x000000010a232799 0 + 4465043353
12 ??? 0x000000010c76e08b 0 + 4504084619
```
* [tests][monotouch-test] Fix failures with xcode 13 beta 1
* [tests][mmptest] Use a FAT framework that's build with x86_64 and arm64
Co-authored-by: Alex Soto <alex@alexsoto.me>
Co-authored-by: Sebastien Pouliot <sebastien.pouliot@microsoft.com>
Co-authored-by: Manuel de la Pena <mandel@microsoft.com>
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