Add branch name when not master, simplify publish, use GitHub Actions

And updated Gradle

settings.gradle.kts

@@ -1,3 +1,4 @@
+@file:Suppress("UnstableApiUsage")
 enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
 
 dependencyResolutionManagement {
@@ -54,6 +55,10 @@ pluginManagement {
     repositories {
         gradlePluginPortal()
     }
+    plugins {
+        id("net.kyori.indra")
+        id("net.kyori.indra.git")
+    }
     includeBuild("build-logic")
 }