chore(django-google-spanner): update Python version in setup.py to 3.10

Author: chalmerlowe

packages/django-google-spanner/setup.py

@@ -62,8 +62,6 @@
         "License :: OSI Approved :: BSD License",
         "Operating System :: OS Independent",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -75,5 +73,5 @@
         "Framework :: Django :: 4.2",
     ],
     extras_require=extras,
-    python_requires=">=3.8",
+    python_requires=">=3.10",
 )