[v2] time for the 2.18.3 release

[jhamman]

We have a few bug fixes and deprecations on the main branch that would be nice to roll up into the 2.18.3 release.

If we were to make the release today, this would be the changelog:

What's Changed

• Update TEAM.md by @jhamman in Update TEAM.md #2071
• [v2] Fix doctests with numpy 2.0 by @dstansby in [v2] Fix doctests with numpy 2.0 #2073
• Fix version number in built docs by @dstansby in Fix version number in built docs #2044
• Fix orthogonal indexing with a scalar by @dcherian in Fix orthogonal indexing with a scalar #1947
• Bump the requirements group across 1 directory with 7 updates by @dependabot in Bump the requirements group across 1 directory with 7 updates #2092
• Bump the actions group with 2 updates by @dependabot in Bump the actions group with 2 updates #2087
• [v2] Drop support for Python 3.9 by @dstansby in [v2] Drop support for Python 3.9 #2074
• Fix Array.array for numpy 2.1 by @dstansby in Fix Array.__array__ for numpy 2.1 #2106
• Bump test version of numcodecs by @dstansby in Bump test version of numcodecs #2114
• fix: numpy 1.24 compat for Array.array by @jhamman in fix: numpy 1.24 compat for Array.__array__ #2123
• Deprecate N5Store by @jhamman in Deprecate N5Store #2103
• Run tests on numpy 1.23 by @dstansby in Run tests on numpy 1.23 #2124
• Bump the requirements group across 1 directory with 3 updates by @dependabot in Bump the requirements group across 1 directory with 3 updates #2129
• chore: bump minimum numpy version to 1.24 by @jhamman in chore: bump minimum numpy version to 1.24 #2127
• Remove un-needed package installs in CI by @dstansby in Remove un-needed package installs in CI #2095

[jhamman]

@zarr-developers/python-core-devs - any objections to me making this release today?

[jhamman]

this is done

• Release: https://github.com/zarr-developers/zarr-python/releases/tag/v2.18.3
• PyPI: https://pypi.org/project/zarr/2.18.3/
• Conda-Forge (pending) - ENH: update package version conda-forge/zarr-feedstock#103