Updated dependencies, minor fixes

base/build.gradle

@@ -2,13 +2,8 @@ plugins {
     id "kotlin"
 }
 
-tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
-
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_11.toString()
-    }
+kotlin {
+    jvmToolchain(11)
 }
 
 dependencies {