The issue lies with the new Xcode 16.2 beta 3 (16C5023f) if you revert your Xcode Cloud to use 16.1 in default environment section in settings for default everything works fine hope this help anyone else with the same issue...
piggysix1
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yes xCloud in accordance with git to streamline getting it to test flight and the build will show as failed in xCodeCloud with 8 build errors all rejecting 18.2 as being too high of a value as relating to firebase packages.