Bump Microsoft.Extensions.AI from 10.5.2 to 10.6.0 #2848

Job	Run time
build (macos-latest, Release)	34s
build (windows-latest, Release)	2m 31s
build (ubuntu-latest, Debug)	27s
build (windows-latest, Debug)	3m 37s
build (macos-latest, Debug)	33s
build (ubuntu-latest, Release)	57s
publish-coverage	-1s
	8m 38s

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