Merge pull request #7 from fosslight/dev_pythonVersion

Upgrade Python minimum version to 3.8

Author: soimkim

setup.py

@@ -29,10 +29,11 @@
         download_url='https://github.com/fosslight/fosslight_android_scanner',
         classifiers=['License :: OSI Approved :: Apache Software License',
                      "Programming Language :: Python :: 3",
-                     "Programming Language :: Python :: 3.7",
                      "Programming Language :: Python :: 3.8",
-                     "Programming Language :: Python :: 3.9"],
-        python_requires='>=3.7',
+                     "Programming Language :: Python :: 3.9",
+                     "Programming Language :: Python :: 3.10",
+                     "Programming Language :: Python :: 3.11"],
+        python_requires='>=3.8',
         install_requires=required,
         include_package_data=True,
         entry_points={