fix: database time not preserved during file copy (#5301)

* closes #5285

Author: krisbiradar

cve_bin_tool/cvedb.py

@@ -796,9 +796,9 @@ def copy_db(self, filename, export=True):
         """Copy database file to or from new path."""
         self.db_close()
         if export:
-            shutil.copy(self.dbpath, filename)
+            shutil.copy2(self.dbpath, filename)
         else:
-            shutil.copy(filename, self.dbpath)
+            shutil.copy2(filename, self.dbpath)
 
     def remove_cache_backup(self) -> None:
         """Removes the backup if database was successfully loaded."""