feat(types/buffer): skip copying in `to_bytes` when `NonContiguous` c… #2110

Job	Run time
build_all_features	5m 6s
build_default_features (ubuntu-latest)	42s
build_all_platforms (ubuntu-latest)	2m 50s
build_under_wasm	51s
build_all_platforms (macos-latest)	2m 33s
build_default_features (macos-latest)	35s
build_default_features (windows-latest)	1m 29s
build_all_platforms (windows-latest)	5m 19s
check_clippy	3m 54s
check_msrv	48s
check_docs	3m 28s
unit	7m 48s
	35m 23s

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