tidy build config, update pom.xmls

lib/build.gradle.kts

@@ -36,12 +36,6 @@ base {
     archivesName.set(rootProject.name)
 }
 
-java {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
-    withSourcesJar()
-}
-
 tasks {
     withType<GenerateMavenPom>().configureEach {
         destination = file("$projectDir/pom.xml")

lib/pom.xml

@@ -6,9 +6,9 @@
   <!-- that they should prefer consuming it instead. -->
   <!-- do_not_remove: published-with-gradle-metadata -->
   <modelVersion>4.0.0</modelVersion>
-  <groupId>urlencoder</groupId>
+  <groupId>net.thauvin.erik</groupId>
   <artifactId>urlencoder-lib</artifactId>
-  <version>unspecified</version>
+  <version>1.3.1-SNAPSHOT</version>
   <name>UrlEncoder for Kotlin</name>
   <description>A simple defensive library to encode/decode URL components</description>
   <url>https://github.com/ethauvin/urlencoder</url>