scripts: Make REUSE compliant

Test: pipx run reuse lint
Change-Id: I73a60c421ec2d4399d511043e92d387dc890eb3d

device-deps-regenerator/app.py

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2017-2023 The LineageOS Project
+# SPDX-License-Identifier: Apache-2.0
+
 import argparse
 import concurrent.futures
 import json