[Build] Remove BasePluginConvention usages

The entire concept of conventions is deprecated in Gradle. The proposed alternative for `BasePluginConvention` is `BasePluginExtension`
^KTI-1473 In Progress

libraries/kotlin.test/jvm/build.gradle

@@ -2,7 +2,9 @@ description = 'Kotlin Test'
 
 apply plugin: 'kotlin-platform-jvm'
 
-archivesBaseName = 'kotlin-test'
+base {
+    archivesName = 'kotlin-test'
+}
 
 JvmToolchain.configureJvmToolchain(project, JdkMajorVersion.JDK_1_8)
 
@@ -32,12 +34,14 @@ RepoArtifacts.sourcesJar(project)
 RepoArtifacts.javadocJar(project)
 
 compileKotlin {
-    kotlinOptions.freeCompilerArgs = [
-        "-Xallow-kotlin-package",
-        "-opt-in=kotlin.contracts.ExperimentalContracts",
-        "-opt-in=kotlin.RequiresOptIn",
-    ]
-    kotlinOptions.moduleName = project.archivesBaseName
+    compilerOptions {
+        freeCompilerArgs = [
+                "-Xallow-kotlin-package",
+                "-opt-in=kotlin.contracts.ExperimentalContracts",
+                "-opt-in=kotlin.RequiresOptIn",
+        ]
+        moduleName = base.archivesName
+    }
 }
 
 compileTestKotlin {

libraries/scripting/dependencies-maven-all/build.gradle.kts

@@ -5,7 +5,7 @@ import org.gradle.kotlin.dsl.support.serviceOf
 
 description = "Shaded Maven dependencies resolver"
 
-val jarBaseName = property("archivesBaseName") as String
+val jarBaseName = the<BasePluginExtension>().archivesName
 
 val embedded by configurations
 
@@ -123,7 +123,7 @@ val proguard by task<CacheableProguardTask> {
 
     injars(mapOf("filter" to "!META-INF/versions/**,!kotlinx/coroutines/debug/**"), normalizedJar.get().outputs.files)
 
-    outjars(layout.buildDirectory.file("libs/$jarBaseName-$version-after-proguard.jar"))
+    outjars(layout.buildDirectory.file(jarBaseName.map { "libs/$it-$version-after-proguard.jar" }))
 
     javaLauncher.set(project.getToolchainLauncherFor(JdkMajorVersion.JDK_1_8))
 

libraries/tools/kotlin-main-kts/build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
     id("jps-compatible")
 }
 
-val jarBaseName = property("archivesBaseName") as String
+val jarBaseName = the<BasePluginExtension>().archivesName
 
 val localPackagesToRelocate =
     listOf(
@@ -87,7 +87,7 @@ val proguard by task<CacheableProguardTask> {
 
     injars(mapOf("filter" to "!META-INF/versions/**,!kotlinx/coroutines/debug/**"), relocatedJar.get().outputs.files)
 
-    outjars(layout.buildDirectory.file("libs/$jarBaseName-$version-after-proguard.jar"))
+    outjars(layout.buildDirectory.file(jarBaseName.map { "libs/$it-$version-after-proguard.jar" }))
 
     javaLauncher.set(project.getToolchainLauncherFor(JdkMajorVersion.JDK_1_8))