DotNet 6/8/9 CI autobuild

Full Changelog: v20241113...v20241116

DotNet 6/7/8 CI autobuild

v20241113

init dotnet8 branch

ci build test

v20240612

revert to dl artifact

update 20231125

Fixed bugs.
Add DotNet 8 release.

update 20231007

update libwebp to latest.

update 20231005

add drag support

update 20230927

Add support of Kaleido ADV engine chara, which was pre-processed by Freemote.
Add '-o' command line option.

update 20230113

Maybe last update.
VS2022/.Net Framework 4.8

update 20230108

使用VS2017/dotNet Framework 4.6.1，VS2022/dotNet Framework 4.8编译。
应该基本能用了，就这样了。

update 20230107

使用VS2017/dotNet Framework 4.6.1编译。
更新了mvl/png支持。
加载webp文件会崩溃。使用dotNet4.8编译的版本有着更奇怪的问题，暂时不建议直接使用源代码自行编译。