Release v0.9.0

What's Changed

This is a maintenance release ahead of the major v1.0.0 release (TBA)

• use pytest temporary dir factory to write some of the test hdf5 files and move all fixed hdf5 sample data files to tests/data by @valeriupredoi in #117
• Install netcdf4 from conda-forge and pin netcdf4<1.7.3 in pyproject.toml by @valeriupredoi in #124
• Support Python 3.14 by @valeriupredoi in #125
• remove pin on netcdf4 by @valeriupredoi in #126
• update changelog for v0.8.0 and v0.9.0 (to be released tomorrow 18 Oct 2025, last before big v1.0) by @valeriupredoi in #127

All reviewed by @kmuehlbauer and @davidhassell 🍻

Full Changelog: v0.8.0...v0.9.0