Add consolidated metadata support #675

Job	Run time
fmt	30s
build_and_test (stable, --features "")	2m 14s
build_and_test (stable, --all-features)	3m 5s
build_and_test_windows	3m 43s
build_and_test_macos (macos-13)	3m 2s
build_and_test (stable, --no-default-features)	2m 1s
semver	1m 25s
build_and_test_macos (macos-latest)	1m 43s
build_and_test (1.76, --features "")	1m 41s
build_and_test (1.76, --all-features)	2m 24s
clippy	1m 16s
build_and_test (1.76, --no-default-features)	1m 39s
codecov	1m 36s
minimal-versions	1m 9s
build_and_test (beta, --features "")	1m 32s
build_and_test (beta, --all-features)	2m 6s
build_and_test (beta, --no-default-features)	1m 17s
build_and_test (nightly, --features "")	1m 15s
build_and_test (nightly, --all-features)	1m 35s
build_and_test (nightly, --no-default-features)	54s
	36m 7s

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