Update Gradle to 8.4

Author: eygraber

.circleci/config.yml

@@ -1,6 +1,6 @@
 version: 2.1
 orbs:
-  gradle: circleci/gradle@1.0.10
+  gradle: circleci/gradle@3.0.0
   win: circleci/windows@5.0
 _defaults: &defaults
   working_directory: ~/code
@@ -18,7 +18,7 @@ _gradle_checksum_windows: &gradle_checksum_windows
 jobs:
   build-linux:
     docker:
-      - image: cimg/openjdk:16.0.2-browsers
+      - image: cimg/openjdk:17.0.9@sha256:a36da58bce6d1b6c43984970acec45546e746e628969b1261d6700367aa6e8dc
     resource_class: xlarge
     <<: *defaults
     steps:

assertk/build.gradle.kts

@@ -10,12 +10,12 @@ plugins {
 
 val compileTemplates by tasks.registering(TemplateTask::class) {
     inputDir.set(file("src/template"))
-    outputDir.set(file("$buildDir/generated/template"))
+    outputDir.set(layout.buildDirectory.dir("generated/template"))
 }
 
 val compileTestTemplates by tasks.registering(TemplateTask::class) {
     inputDir.set(file("src/testTemplate"))
-    outputDir.set(file("$buildDir/generated/testTemplate"))
+    outputDir.set(layout.buildDirectory.dir("generated/testTemplate"))
 }
 
 kotlin {

buildSrc/src/main/kotlin/assertk.publish.gradle.kts

@@ -26,7 +26,7 @@ tasks.withType<DokkaTask>().configureEach {
 }
 
 val dokkaCommon by tasks.registering(DokkaTask::class) {
-    outputDirectory.set(file("$buildDir/javadoc/common"))
+    outputDirectory.set(layout.buildDirectory.dir("javadoc/common"))
     dokkaSourceSets {
         @Suppress("UNUSED_VARIABLE")
         val commonMain by getting

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists