Informative error message for platforms that do not support federated #3546

Job	Run time
check-labels / check	2s
check-diff / check	18s
lsp / test-lsp (ubuntu-latest)	9m 23s
building / build-toolchain (ubuntu-latest)	3m 32s
cli / test-cli (ubuntu-latest)	5m 10s
	18m 25s

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