Resolve setuptools deprecation warnings

Change-Id: I47969858a4cfb39d4db58f1b8e0a6aa76eda5084
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

pyproject.toml

@@ -9,7 +9,7 @@ authors = [
     {name = "OpenStack", email = "openstack-discuss@lists.openstack.org"},
 ]
 readme = {file = "README.rst", content-type = "text/x-rst"}
-license = {text = "Apache-2.0"}
+license = "Apache-2.0"
 dynamic = ["version", "dependencies"]
 requires-python = ">=3.11"
 classifiers = [
@@ -17,7 +17,6 @@ classifiers = [
     "Environment :: OpenStack",
     "Intended Audience :: Information Technology",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
@@ -33,7 +32,7 @@ Homepage = "https://docs.openstack.org/etcd3gw"
 Repository = "https://opendev.org/openstack/etcd3gw"
 
 [tool.setuptools.packages.find]
-include = ["etcd3gw"]
+include = ["etcd3gw*"]
 
 [tool.mypy]
 python_version = "3.11"