Getting plugin to work with jdk 16

Updating Gradle to version 7
Upgrading kotlin plugin to 1.4.30
Upgrading asm dependency in a hacky way to 9.2 to support jdk 16

Fixing tests that were unfixed by previous code changes.

Author: rjfioravanti

build.gradle.kts

@@ -2,7 +2,6 @@ plugins {
   kotlin("jvm") version Versions.kotlin
   `kotlin-dsl`
   `java-gradle-plugin`
-  `maven-publish`
   id("com.gradle.plugin-publish") version "0.14.0"
 }
 
@@ -24,7 +23,10 @@ dependencies {
   implementation(kotlin("stdlib"))
   implementation(kotlin("stdlib-jdk8"))
 
-  implementation("org.apache.maven.shared:maven-dependency-analyzer:1.11.2")
+  implementation("org.apache.maven.shared:maven-dependency-analyzer:1.11.3")
+  // maven-dependency-analyzer:1.11.3 depends on an earlier version of asm which doesn't support jdk 16
+  // Depending on asm:9.2 directly resolves this.
+  implementation("org.ow2.asm:asm:9.2")
 
   testImplementation("junit:junit:4.12")
   testImplementation("org.assertj:assertj-core:3.9.1")

buildSrc/build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
-    `kotlin-dsl`
+  `kotlin-dsl`
 }
 
 repositories {
-    mavenCentral()
+  mavenCentral()
 }

buildSrc/src/main/kotlin/Configuration.kt

@@ -1,5 +1,5 @@
 @file:Suppress("InvalidPackageDeclaration")
 
 object Versions {
-    val kotlin = "1.4.10"
+  val kotlin = "1.4.30"
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists