Update version to 1.4.7

Author: soimkim

setup.py

@@ -14,7 +14,7 @@
 if __name__ == "__main__":
     setup(
         name='fosslight_source',
-        version='1.4.6',
+        version='1.4.7',
         package_dir={"": "src"},
         packages=find_packages(where='src'),
         description='FOSSLight Source',