Xradar

* ENH: Adding test to `open_datatree` function for all backends. Adding "scan_name" to nexradlevel2 datatree attributes ({pull}`238`) by [aladinor](https://github.com/aladinor)
* FIX: Improving performance of `open_nexradlevel2_datatree` function and adding tests for `sweep` parameter. ({issue}`239`) ({pull}`240`) by [aladinor](https://github.com/aladinor)
* FIX: Keeping attributes at each variable when using `open_nexradlevel2_datatree`. ({issue}`241`) ({pull}`242`) by [aladinor](https://github.com/aladinor)
* FIX: Correctly read transition rays in RHI scans ({issue}`247`) ({pull}`250`) by [rcjackson](https://github.com/rcjackson)
* FIX: Correctly open NEXRAD files when split cut mode is enable ({issue} `245`) ({pull}`246`) by [aladinor](https://github.com/aladinor)
* ADD: Example Notebook for assigning geocoords. ({issue}`243`) and ({pull}`251`) by [syedhamidali](https://github.com/syedhamidali)
* FIX: DataTree reader now works with sweeps containing different variables ({pull}`252`) by [egouden](https://github.com/egouden).
* FIX: Correct retrieval of intermediate records in nexrad level2 reader ({issue}`259`) ({pull}`261`) by [kmuehlbauer](https://github.com/kmuehlbauer).
* FIX: Test for magic number BZhX1AY&SY (where X is any number between 0..9) when retrieving BZ2 record indices in nexrad level2 reader ({issue}`264`) ({pull}`266`) by [kmuehlbauer](https://github.com/kmuehlbauer).
* ENH: Add message type 1 decoding to nexrad level 2 reader ({issue}`256`) ({pull}`267`) by [kmuehlbauer](https://github.com/kmuehlbauer).
* ENH: Introduce file locks for nexrad level2 and iris backend ({issue}`207`) ({pull}`268`) by [kmuehlbauer](https://github.com/kmuehlbauer).

This is the first version which uses datatree directly from xarray. Thus, xarray is pinned to version >= 2024.10.0.

* FIX: Convert volumes to_cfradial1 containing sweeps with different range and azimuth shapes, raise for different range bin sizes ({issue}`233`) by [syedhamidali](https://github.com/syedhamidali), ({pull}`234`) by [kmuehlbauer](https://github.com/kmuehlbauer).
* FIX: Correctly handle 8bit/16bit, big-endian/little-endian in nexrad reader (PHI and ZDR) ({issue}`230`) by [syedhamidali](https://github.com/syedhamidali), ({pull}`231`) by [kmuehlbauer](https://github.com/kmuehlbauer).
* ENH: Refactoring all xradar backends to use `from_dict` datatree constructor. Test for `_get_required_root`, `_get_subgroup`, and `_get_radar_calibration` were also added ({pull}`221`) by [aladinor](https://github.com/aladinor)
* ENH: Added pytests to the missing functions in the `test_xradar` and `test_iris` in order to increase codecov in ({pull}`228`) by [syedhamidali](https://github.com/syedhamidali).
* ENH: Updated Readme ({pull}`226`) by [syedhamidali](https://github.com/syedhamidali).
* ADD: Added new module `transform` for transforming CF1 data to CF2 and vice versa ({pull}`224`) by [syedhamidali](https://github.com/syedhamidali).
* Use DataTree from xarray and add xarray nightly run ({pull}`213`, {pull}`214`, {pull}`215`, {pull}`218`) by [kmuehlbauer](https://github.com/kmuehlbauer).
* ADD: Added new accessor `map_over_sweeps` for volume operations on DataTrees and a matching decorator ({pull}`203`) by [syedhamidali](https://github.com/syedhamidali).

This is the last version which uses datatree from xarray-contrib/datatree. Thus, xarray is pinned to version 2024.9.0.

* ADD: Added `apply_to_sweeps` function for applying custom operations to all sweeps in a `DataTree` radar volume Implemented by [syedhamidali](https://github.com/syedhamidali), ({pull}`202`).
* ADD: Metek Micro Rain Radar 2 reader by [rcjackson](https://github.com/rcjackson), ({pull}`200`) by [rcjackson](https://github.com/rcjackson).

* FIX: Azimuth dimension now labelled correctly for Halo Photonics data ({pull}`206`) by [rcjackson](https://github.com/rcjackson).
* FIX: do not apply scale/offset in datamet reader, leave it to xarray instead ({pull}`209`) by [kmuehlbauer](https://github.com/kmuehlbauer).

* FIX: Notebooks are now conforming to ruff's style checks by [rcjackson](https://github.com/rcjackson), ({pull}`199`) by [rcjackson](https://github.com/rcjackson).
* FIX: use dict.get() to retrieve attribute key and return "None" if not available, ({pull}`200`) by [kmuehlbauer](https://github.com/kmuehlbauer)

* FIX: use rstart in meter for ODIM_H5/V2_4 ({issue}`196`) by [kmuehlbauer](https://github.com/kmuehlbauer), ({pull}`197`) by [kmuehlbauer](https://github.com/kmuehlbauer).