Replace deprecated usages of max/min with maxOrNull/minOrNull

compiler/daemon/daemon-client-new/build.gradle.kts

@@ -1,5 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-
 description = "Kotlin Daemon Client New"
 
 plugins {
@@ -49,6 +47,12 @@ dependencies {
     }
 }
 
+tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinCompile<*>> {
+    kotlinOptions {
+        apiVersion = "1.3"
+    }
+}
+
 sourceSets {
     "main" { projectDefault() }
     "test" {}