MNT: pin micromamba to 0.17.0 (#535)

MNT: do not install cartopy into Python 3.10 environment (unittest)

MNT: rename main.yml -> ci.yml, add cancel.yml

MNT: remove Python=3.7, add Python=3.10, update Python to 3.9 on PyPI runs

DOC: remove deprecated documentation

MNT: move deprecated xarray functionality into wradlib.io.xarray_depr.py, adapt tests (#533)

* MNT: move deprecated xarray functionality into wradlib.io.xarray_depr.py
* MNT: separate deprecated xarray test functionality

REL: 1.13.0

FIX: add missing file to MANIFEST.in, update LICENSE.txt

REL 1.12.0

MNT: xfail strct=False tests which download data using earthdata login

MNT: pin xarray in CI until https://github.com/pydata/xarray/issues/5944 is fixed

MNT: Fix tests (optional dependencies)

FIX: use int instead np.int in radolan header parser

FIX: fix thread-lock issue, if dask is not installed

MNT: make optional dependencies optional

MNT: use pytest-doctestplus in scripts/CI

MIN: move optional requirements into `requirements_optional.txt`, fix `setup.py`

ENH: add rainbow xarray backend (#522)

MIN: fix plot_ppi/rhi docstrings to state that angels should be given in increasing order

MIN: use `HostAxes` and `ax.get_aux_axes` instead of deprecated `SubplotHost` and `ParasiteAxesAuxTrans`