chore(ios): Bump Testflight Xcode version to 26 #10489

Job	Run time
Ready-to-merge gate / Missing "ready-to-merge" label	3s
diff_check / diff_check	9s
Build legacy android dev no-frameworks	12m 34s
Build legacy ios dev no-frameworks	32m 24s
Build new android dev no-frameworks	9m 30s
Build legacy ios production dynamic-frameworks	35m 58s
Build legacy ios dev dynamic-frameworks	33m 9s
Build legacy ios production no-frameworks	28m 15s
Build new ios dev no-frameworks	41m 17s
Build new ios production no-frameworks	36m 23s
Build legacy macos dev no-frameworks	16m 58s
Build legacy macos production no-frameworks	19m 41s
Build legacy android production no-frameworks	9m 11s
Build new android production no-frameworks	16m 3s
Test ${{ matrix.platform }} ${{ matrix.build-type }} REV2	1s
	4h 51m 36s

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