build:固定插件发布通道为默认通道

- 修改 build.gradle.kts 文件中的插件发布通道设置
- 将动态获取的通道名称改为固定的 "default"，确保稳定性

Author: githublwm

build.gradle.kts

@@ -122,6 +122,6 @@ tasks {
         // The pluginVersion is based on the SemVer (https://semver.org) and supports pre-release labels, like 2.1.7-alpha.3
         // Specify pre-release label to publish the plugin in a custom Release Channel automatically. Read more:
         // https://plugins.jetbrains.com/docs/intellij/deployment.html#specifying-a-release-channel
-        channels = properties("pluginVersion").map { listOf(it.split('-').getOrElse(1) { "default" }.split('.').first()) }
+        channels.set(listOf("default"))
     }
 }