build

fix: skip serialising ZarrReencodingArgs dimension names if empty #176

Job	Run time
fmt	20s
clippy	31s
test	1m 27s
build (stable, --features "")	1m 32s
build (stable, --all-features)	2m 51s
build (stable, --no-default-features)	1m 30s
build (1.80, --features "")	1m 31s
build (1.80, --all-features)	3m 4s
build (1.80, --no-default-features)	1m 30s
build (beta, --features "")	2m 25s
build (beta, --all-features)	3m 41s
build (beta, --no-default-features)	2m 19s
build (nightly, --features "")	1m 57s
build (nightly, --all-features)	3m 7s
build (nightly, --no-default-features)	2m 3s
	29m 48s

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