chore: change license to AGPL-3.0

Dockerfile

@@ -1,6 +1,3 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at https://mozilla.org/MPL/2.0/.
 #
 # Multi-stage Dockerfile for Pentest Agent
 # Uses Chainguard Wolfi for minimal attack surface and supply chain security