Bump maccore. (#10714)

New commits in xamarin/maccore:

* xamarin/maccore@0562e08b12 Stops using absolute output paths when building Tasks projects (#2400)

Diff: https://github.com/xamarin/maccore/compare/17603b841c8a22d83f56573faa792ee0ab567138..0562e08b127898cd0468742dfbf29a52fd013598

Author: rolfbjarne

mk/xamarin.mk

@@ -7,7 +7,7 @@ MONO_BRANCH    := $(shell cd $(MONO_PATH) 2> /dev/null && git symbolic-ref --sho
 endif
 
 ifdef ENABLE_XAMARIN
-NEEDED_MACCORE_VERSION := 17603b841c8a22d83f56573faa792ee0ab567138
+NEEDED_MACCORE_VERSION := 0562e08b127898cd0468742dfbf29a52fd013598
 NEEDED_MACCORE_BRANCH := main
 
 MACCORE_DIRECTORY := maccore