fix: 添加 Gradle toolchain 自动下载（foojay-resolver），解决 Jenkins agent 缺少 Java 11 问题

settings.gradle.kts

@@ -8,6 +8,10 @@ pluginManagement {
     }
 }
 
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.9.0"
+}
+
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {