fix: End longterm execution via exit

hash_longterm.py

@@ -95,7 +95,7 @@ if __name__ == "__main__":
         print(colored(log("[Hash-Longtermstudy] SSD usage likely due to DRAT/DZAT. Skipping test."), "red"))
         drive_handle.set_read_only(False)
         # SSD usage likely
-        pass
+        exit()
     else:
         print(colored(log("[Hash-Longtermstudy] No DRAT/DZAT detected."), "yellow"))