build: settings 补 rootProject.name (CI artifact 名确定性)

问题: gtnhsettingsconvention 以 settings 目录名派生 projectName, act runner 下目录名固定 hostexecutor 导致 artifact 名错位
改动: 显式写死 rootProject.name
验证: CI publish 产物坐标应为 site.potatolab.tdlm:slashblade-mistraven

settings.gradle

@@ -17,3 +17,5 @@ pluginManagement {
 plugins {
     id 'com.gtnewhorizons.gtnhsettingsconvention' version '2.0.24'
 }
+
+rootProject.name = 'slashblade-mistraven'