[Test] Use JDK 11 instead of JDK 9 in modern jdk tests

compiler/testData/codegen/boxModernJdk/testsWithJava11/concatDynamicWithInline.kt

@@ -0,0 +1,20 @@
+// STRING_CONCAT: indy-with-constants
+inline fun test(crossinline s: (String) -> String): String {
+    var result = "1" + s("2") + "3" + 4 + {
+        "5" + s("6") + "7"
+    }()
+
+    result += object  {
+        fun run() = "8" + s("9") + "10"
+    }.run()
+
+    return result
+}
+
+fun box(): String {
+    val result = test { it }
+    if (result != "12345678910")  return "fail 1: $result"
+
+    val result2 = test { it + "_" }
+    return if (result2 != "12_3456_789_10")  "fail 2: $result2" else "OK"
+}