Fix setuptools deprecation warnings (#10300)

* avoid build warnings

* change to include = ["xarray*"]

---------

Co-authored-by: Giacomo Caria <giacomo@chloris.earth>

Author: gcaria

pyproject.toml

@@ -2,7 +2,6 @@
 authors = [{ name = "xarray Developers", email = "xarray@googlegroups.com" }]
 classifiers = [
   "Development Status :: 5 - Production/Stable",
-  "License :: OSI Approved :: Apache Software License",
   "Operating System :: OS Independent",
   "Intended Audience :: Science/Research",
   "Programming Language :: Python",
@@ -15,7 +14,7 @@ classifiers = [
 ]
 description = "N-D labeled arrays and datasets in Python"
 dynamic = ["version"]
-license = { text = "Apache-2.0" }
+license = "Apache-2.0"
 name = "xarray"
 readme = "README.md"
 requires-python = ">=3.10"
@@ -94,8 +93,8 @@ dask = "xarray.namedarray.daskmanager:DaskManager"
 build-backend = "setuptools.build_meta"
 requires = ["setuptools>=42", "setuptools-scm>=7"]
 
-[tool.setuptools]
-packages = ["xarray"]
+[tool.setuptools.packages.find]
+include = ["xarray*"]
 
 [tool.setuptools_scm]
 fallback_version = "9999"