Cf-xarray

Significantly improved [geometry functionality](https://cf-xarray.readthedocs.io/en/latest/geometry.html), including encoding/decoding, a new `.cf.geometries` property, and the ability to extract geometry containers with `.cf["geometry"]` and the encoded geometry with `.cf[["points"]]`

What's Changed
* Add geometry encoding and decoding functions. by dcherian in https://github.com/xarray-contrib/cf-xarray/pull/517


**Full Changelog**: https://github.com/xarray-contrib/cf-xarray/compare/v0.9.1...v0.9.2

What's Changed
* ruff settings: move 'ignore' to 'lint' section by mathause in https://github.com/xarray-contrib/cf-xarray/pull/506
* numpy 2 compat by mathause in https://github.com/xarray-contrib/cf-xarray/pull/505
* Add docs about converting between shapely and cf by jsignell in https://github.com/xarray-contrib/cf-xarray/pull/512


**Full Changelog**: https://github.com/xarray-contrib/cf-xarray/compare/v0.9.0...v0.9.1

What's Changed
* Remove pycompat ref in utils by aulemahal in https://github.com/xarray-contrib/cf-xarray/pull/502


**Full Changelog**: https://github.com/xarray-contrib/cf-xarray/compare/v0.8.9...v0.9.0

What's Changed
* cast units to `str` before applying any other preprocessor by keewis in https://github.com/xarray-contrib/cf-xarray/pull/498


**Full Changelog**: https://github.com/xarray-contrib/cf-xarray/compare/v0.8.8...v0.8.9

What's Changed
Much improved support for bit masks and converting geometries to CF!
* Add larger bit depth for displaying flag_masks by mps01060 in https://github.com/xarray-contrib/cf-xarray/pull/492
* Fix conversion between shapely and cf for lines by jsignell in https://github.com/xarray-contrib/cf-xarray/pull/493
* Add conversion between shapely and cf for polygons by jsignell in https://github.com/xarray-contrib/cf-xarray/pull/495

New Contributors
* mps01060 made their first contribution in https://github.com/xarray-contrib/cf-xarray/pull/492

**Full Changelog**: https://github.com/xarray-contrib/cf-xarray/compare/v0.8.7...v0.8.8

What's Changed
* Check compatibility of coordinate variable dimensions before assignment. by dcherian in https://github.com/xarray-contrib/cf-xarray/pull/484

* Add conversion between cf and shapely for lines by jsignell in https://github.com/xarray-contrib/cf-xarray/pull/460

New Contributors
* jsignell made their first contribution in https://github.com/xarray-contrib/cf-xarray/pull/482

**Full Changelog**: https://github.com/xarray-contrib/cf-xarray/compare/v0.8.6...v0.8.7