setup.py: requires_python format changed

Response from PyPI:
'>=3.7.*' is an invalid value for Requires-Python. Error: Invalid specifier in requirement. See https://packaging.python.org/specifications/core-metadata for more information.

setup.py

@@ -25,7 +25,7 @@
     url=about.__url__,
     packages=find_packages(exclude=('tests', 'tests.*')),
     include_package_data=True,
-    python_requires=">=3.7.*",
+    python_requires=">=3.7",
     install_requires=install_requires,
     extras_require={
         'pandas': ['apache-airflow[pandas]>=2.0.0,<2.7.0'],