Use exclusiveContent API for jcenter

The previous setup said to only look for those packages in jcenter. This is a more powerful alternative, which says only use jcenter for those packages

build.gradle.kts

@@ -104,11 +104,19 @@ spotless {
 subprojects {
   repositories {
     mavenCentral()
-    jcenter().mavenContent {
-      // Required for Dokka
-      includeModule("org.jetbrains.kotlinx", "kotlinx-html-jvm")
-      includeGroup("org.jetbrains.dokka")
-      includeModule("org.jetbrains", "markdown")
+    // Required for Dokka
+    exclusiveContent {
+      forRepository {
+        maven {
+          name = "JCenter"
+          setUrl("https://jcenter.bintray.com/")
+        }
+      }
+      filter {
+        includeModule("org.jetbrains.kotlinx", "kotlinx-html-jvm")
+        includeGroup("org.jetbrains.dokka")
+        includeModule("org.jetbrains", "markdown")
+      }
     }
   }