build: Update Gradle and plugins, small cleanup to build scripts

build-logic/build.gradle.kts

@@ -0,0 +1,15 @@
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    gradlePluginPortal()
+}
+
+dependencies {
+    implementation(libs.indraCommon)
+    implementation(libs.indraPublishingSonatype)
+    implementation(libs.testLoggerPlugin)
+    implementation(libs.errorpronePlugin)
+    implementation(libs.licenser)
+}