build

Bump `pcodec` to 0.4 #795

Job	Run time
clippy	58s
build_and_test_windows	2m 59s
build_and_test_macos (macos-13)	2m 3s
build_and_test (stable, --features "")	2m 0s
build_and_test_macos (macos-latest)	1m 56s
codecov	1m 40s
build_and_test (stable, --all-features)	2m 11s
build_and_test (stable, --no-default-features)	1m 35s
fmt	26s
build_and_test (1.77, --features "")	2m 11s
minimal-versions	1m 11s
build_and_test (1.77, --all-features)	2m 49s
semver	1m 44s
build_and_test (1.77, --no-default-features)	2m 3s
build_and_test (beta, --features "")	1m 43s
build_and_test (beta, --all-features)	2m 14s
build_and_test (beta, --no-default-features)	1m 13s
build_and_test (nightly, --features "")	1m 19s
build_and_test (nightly, --all-features)	1m 41s
build_and_test (nightly, --no-default-features)	1m 14s
	35m 10s

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