Update TREE: Upgrade linpng version to v1.6.14
更新libpng版本到v1.6.14

Signed-off-by: 宋万鹏@HP-CQ42 <swpustc@mail.ustc.edu.cn>
Update README.md: Upgrade linpng version to v1.6.14
更新libpng版本到v1.6.14

Signed-off-by: 宋万鹏@HP-CQ42 <swpustc@mail.ustc.edu.cn>
Upgrade 7-zip command line to v9.34.0.0
升级7-zip命令行到v9.34.0.0

Signed-off-by: 宋万鹏@HP-CQ42 <swpustc@mail.ustc.edu.cn>
Signture 7-zip command line
签名7-zip命令行程序

Signed-off-by: 宋万鹏@HP-CQ42 <swpustc@mail.ustc.edu.cn>
Merge branch 'dev-2'

Signed-off-by: 宋万鹏@HP-CQ42 <swpustc@mail.ustc.edu.cn>