feat(build): switch to base publishing plugin

Author: msfjarvis

build.gradle.kts

@@ -1,3 +1,4 @@
+import com.vanniktech.maven.publish.KotlinMultiplatform
 import org.gradle.api.tasks.testing.Test
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 import org.gradle.kotlin.dsl.withType
@@ -7,13 +8,19 @@ plugins {
   id("org.jetbrains.dokka")
   id("com.diffplug.spotless")
   id("org.jetbrains.kotlinx.binary-compatibility-validator")
-  id("com.vanniktech.maven.publish")
+  id("com.vanniktech.maven.publish.base")
+  id("signing")
 }
 
+group = requireNotNull(project.findProperty("GROUP"))
+
+version = requireNotNull(project.findProperty("VERSION_NAME"))
+
 @Suppress("UnstableApiUsage")
 mavenPublishing {
   signAllPublications()
   pomFromGradleProperties()
+  configure(KotlinMultiplatform())
 }
 
 publishing {

settings.gradle.kts

@@ -17,7 +17,7 @@ pluginManagement {
     id("org.jetbrains.dokka") version "1.6.21"
     id("com.diffplug.spotless") version "6.7.0"
     id("org.jetbrains.kotlinx.binary-compatibility-validator") version "0.10.0"
-    id("com.vanniktech.maven.publish") version "0.20.0"
+    id("com.vanniktech.maven.publish.base") version "0.20.0"
   }
 }