chore: adapt license and copyright (#697)

Modify project to pass the REUSE check

Log: Modify project to pass the REUSE check
Task: https://pms.uniontech.com/task-view-185215.html
Change-Id: I491fcd3e179e45fc482ca4e6aa41ff3e91d633b0

archlinux/PKGBUILD

@@ -5,7 +5,7 @@ pkgrel=1
 pkgdesc='Deepin desktop-environment - dock module'
 arch=('x86_64' 'aarch64')
 url="https://github.com/linuxdeepin/dde-dock"
-license=('GPL3')
+license=('LGPL-3.0-or-later')
 depends=('qt5-svg' 'deepin-daemon-git' 'deepin-qt5integration-git'
          'deepin-qt-dbus-factory-git' 'deepin-network-utils-git' 'libdbusmenu-qt5')
 makedepends=('git' 'cmake' 'ninja' 'qt5-tools' 'gtest' 'gmock' 

debian/copyright

@@ -3,7 +3,7 @@ Upstream-Name: dde-dock
 
 Files: *
 Copyright: 2015 Deepin Technology Co., Ltd.
-License: GPL-3+
+License: LGPL-3.0-or-later
  This package is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3 of the License, or

rpm/dde-dock.spec

@@ -4,7 +4,7 @@ Name:           dde-dock
 Version:        5.4.9
 Release:        1
 Summary:        Deepin desktop-environment - Dock module
-License:        GPLv3
+License:        LGPL-3.0-or-later
 URL:            http://shuttle.corp.deepin.com/cache/repos/eagle/release-candidate/RERFNS4wLjAuNjU3NQ/pool/main/d/dde-dock/
 Source0:        %{name}-%{version}.orig.tar.xz