CI: update workflows with newer version of Xcode (+ iOS SDK) #11058

Job	Run time
Ready-to-merge gate / Missing "ready-to-merge" label	4s
diff_check / diff_check	9s
Build legacy ios production no-frameworks	1s
Build new android production no-frameworks	1s
Build legacy android production no-frameworks	1s
Build legacy ios dev no-frameworks	1s
Build new ios dev no-frameworks	1s
Build legacy android dev no-frameworks	21m 18s
Build legacy macos production no-frameworks	21m 18s
Build new ios production no-frameworks	1s
Build legacy ios dev dynamic-frameworks	1s
Build legacy macos dev no-frameworks	1s
Build legacy ios production dynamic-frameworks	1s
Build new android dev no-frameworks	1s
Test ${{ matrix.platform }} ${{ matrix.build-type }} REV2	1s
	43m 0s

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