feat(metadata): add `codec_metadata_v2_to_v3` #956

Job	Run time
build_and_test_macos (macos-13)	4m 48s
build_and_test (stable, --features "")	3m 22s
clippy	1m 15s
build_and_test_macos (macos-latest)	2m 3s
build_and_test_windows	3m 45s
build_and_test (stable, --all-features)	2m 47s
build_and_test (stable, --no-default-features)	1m 52s
build_and_test (1.82, --features "")	2m 27s
fmt	34s
codecov	1m 48s
minimal-versions	45s
build_and_test (1.82, --all-features)	2m 38s
build_and_test (1.82, --no-default-features)	1m 54s
semver	1m 46s
build_and_test (beta, --features "")	1m 37s
build_and_test (beta, --all-features)	2m 7s
build_and_test (beta, --no-default-features)	1m 9s
build_and_test (nightly, --features "")	2m 28s
build_and_test (nightly, --all-features)	1m 45s
build_and_test (nightly, --no-default-features)	59s
	41m 49s

Provide feedback