File fix-missing-shebangs.patch of Package FreeCAD

--- a/src/Mod/AddonManager/AddonManager.py
+++ b/src/Mod/AddonManager/AddonManager.py
@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 # SPDX-License-Identifier: LGPL-2.1-or-later
 # SPDX-FileCopyrightText: 2015 Yorik van Havre <yorik@uncreated.net>
 # SPDX-FileCopyrightText: 2022 FreeCAD Project Association