Mark js/js/translator/testData/out-min/ as excluded directory in IDEA

It's required to avoid indexing a lot of js files (> 200MB)
after each run of js tests.

js/js.translator/build.gradle.kts

@@ -1,3 +1,8 @@
+import org.gradle.plugins.ide.idea.model.IdeaModel
+
+plugins {
+    idea
+}
 
 apply { plugin("kotlin") }
 
@@ -21,3 +26,9 @@ sourceSets {
     }
     "test" {}
 }
+
+configure<IdeaModel> {
+    module {
+        excludeDirs = excludeDirs + files("testData/out-min")
+    }
+}