Bump some versions to get it to build

- Java target to v11
- Kotlin to 1.9.10 (latest supported by Gradle)
- Gradle to 8.4 (latest)
- Netty to 4.1.100.Final (latest - to resolve CVEs)
- asciidoctorJ to 2.5.10 (latest)
- asciiDoctorPlugin to 3.3.2 (latest - for JDK11 support)

.github/workflows/main.yml

@@ -28,7 +28,7 @@ jobs:
     strategy:
       matrix:
         pg: [10, 11, 12, 13]
-        jdk: [8, 11]
+        jdk: [11]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1

buildSrc/build.gradle.kts

@@ -1,7 +1,7 @@
 
 plugins {
   id("java-library")
-  id("org.jetbrains.kotlin.jvm") version "1.4.31" // Must match Gradle version
+  id("org.jetbrains.kotlin.jvm") version "1.9.10" // Must match Gradle version
 }
 
 repositories {

buildSrc/src/main/kotlin/Versions.kt

@@ -5,20 +5,20 @@ object Versions {
   /**
    * Source
    */
-  val javaTarget = JavaVersion.VERSION_1_8
-  const val kotlin = "1.4.31"
+  val javaTarget = JavaVersion.VERSION_11
+  const val kotlin = "1.9.10"
 
   /**
    * Required Libraries
    */
-  const val netty = "4.1.79.Final"
+  const val netty = "4.1.100.Final"
 
   /**
    * Tooling Libraries
    */
   const val javaPoet = "1.13.0"
   const val argParser = "2.0.7"
-  const val asciidoctorJ = "2.4.3"
+  const val asciidoctorJ = "2.5.10"
 
   /**
    * Testing dependencies
@@ -35,7 +35,7 @@ object Versions {
   const val kotlinPlugin = kotlin
   const val shadowPlugin = "7.0.0"
   const val dockerComposePlugin = "0.14.2"
-  const val asciiDoctorPlugin = "3.2.0"
+  const val asciiDoctorPlugin = "3.3.2"
   const val gitPublishPlugin = "3.0.0"
   const val testLoggerPlugin = "3.0.0"
   const val githubReleasePlugin = "2.2.12"

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,8 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
-distributionSha256Sum=0e46229820205440b48a5501122002842b82886e76af35f0f3a069243dca4b3c
+distributionSha256Sum=3e1af3ae886920c3ac87f7a91f816c0c7c436f276a6eefdb3da152100fef72ae
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists