[Backport] Always include UnpaidExecution, not just when revenue is nonzero #6912

Job	Run time
check-dependency-rules	10s
set-image	7s
check-markdown	16s
check-workspace	26s
check-rust-feature-propagation	1m 30s
check-toml-format	57s
check-umbrella	1m 14s
fmt	1m 8s
test-rust-features	1m 24s
	7m 12s

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