build: Apply sonatype publishing plugin

build-logic/build.gradle.kts

@@ -8,6 +8,7 @@ repositories {
 
 dependencies {
     implementation(libs.indraCommon)
+    implementation(libs.indraPublishingSonatype)
     implementation(libs.testLoggerPlugin)
     implementation(libs.errorpronePlugin)
     implementation(libs.licenser)

build-logic/src/main/kotlin/cloud.parent-build-logic.gradle.kts

@@ -0,0 +1,3 @@
+plugins {
+    id("net.kyori.indra.publishing.sonatype")
+}

gradle/libs.versions.yml

@@ -29,6 +29,10 @@ dependencies:
     group: net.kyori
     name: indra-common
     version: { ref: indra }
+  indraPublishingSonatype :
+    group : net.kyori
+    name : indra-publishing-sonatype
+    version : { ref : indra }
   licenser:
     group: gradle.plugin.org.cadixdev.gradle
     name: licenser