Reduce redundant major.minor specification in setup.py (#1500)

Summary:
Pull Request resolved: #1500

Reduce redundant major.minor specification in setup.py by reusing required major/minor variables

Reviewed By: cyrjano

Differential Revision: D69695278

fbshipit-source-id: b8949dd844fe78d85d848db811db488e945935f1

Author: craymichael

setup.py

@@ -152,7 +152,10 @@ def get_package_files(root, subdirs):
         ],
         long_description=long_description,
         long_description_content_type="text/markdown",
-        python_requires=">=3.9",
+        python_requires=">={required_major}.{required_minor}".format(
+            required_minor=REQUIRED_MINOR,
+            required_major=REQUIRED_MAJOR,
+        ),
         install_requires=[
             "matplotlib",
             "numpy<2.0",