chore(main): release 0.4.0

[ds-release-bot]

🤖 I have created a release beep boop

0.4.0 (2026-05-26)

Features

• improve nodata and dtype handling (#63) (4dbd618)

Bug Fixes

• replace ObjectStore type requirement with async_geotiff.Store (#60) (ea2837a)

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[github-actions]

Benchmark Comparison

Test	Baseline (ms)	PR (ms)	Change
test_band_access_pattern[multi_band]	1312.7	1302.7	-0.8%
test_band_access_pattern[single_band]	1216.9	1193.4	-1.9%
test_full_compute	634.0	628.8	-0.8%
test_mosaic_method[first]	633.0	608.5	-3.9%
test_mosaic_method[median]	667.8	665.6	-0.3%
test_native_crs_resolution	11637.0	11619.4	-0.2%
test_open_overhead	282.5	273.1	-3.3%
test_reproject_workers[1]	2546.5	2519.8	-1.0%
test_reproject_workers[4]	1322.6	1315.9	-0.5%
test_time_step_parallelism[dask_time_1]	1339.2	1310.5	-2.1%
test_time_step_parallelism[no_dask]	931.6	924.3	-0.8%

[ds-release-bot]

🤖 Created releases:

• v0.4.0

🌻