Codec partial encoders #623

Job	Run time
build_and_test_windows	4m 6s
build_and_test_macos (macos-13)	2m 4s
build_and_test_macos (macos-latest)	1m 1s
clippy	37s
build_and_test (stable, --features "")	1m 36s
fmt	21s
build_and_test (stable, --all-features)	2m 2s
build_and_test (stable, --no-default-features)	1m 6s
codecov	1m 26s
minimal-versions	41s
semver	1m 28s
build_and_test (1.76, --features "")	1m 45s
build_and_test (1.76, --all-features)	2m 14s
build_and_test (1.76, --no-default-features)	1m 15s
build_and_test (beta, --features "")	1m 45s
build_and_test (beta, --all-features)	2m 10s
build_and_test (beta, --no-default-features)	1m 7s
build_and_test (nightly, --features "")	1m 11s
build_and_test (nightly, --all-features)	1m 45s
build_and_test (nightly, --no-default-features)	50s
	30m 30s

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