Move kotlin plugin dependency to buildsrc (#5349)

buildSrc/build.gradle.kts

@@ -45,8 +45,9 @@ dependencies {
   implementation("me.champeau.jmh:jmh-gradle-plugin:0.7.0")
   implementation("net.ltgt.gradle:gradle-errorprone-plugin:3.0.1")
   implementation("net.ltgt.gradle:gradle-nullaway-plugin:1.5.0")
-  implementation("ru.vyarus:gradle-animalsniffer-plugin:1.7.0")
+  implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.20")
   implementation("org.owasp:dependency-check-gradle:8.2.1")
+  implementation("ru.vyarus:gradle-animalsniffer-plugin:1.7.0")
 }
 
 // We can't apply conventions to this build so include important ones such as the Java compilation

docs/apidiffs/current_vs_latest/opentelemetry-extension-kotlin.txt

@@ -1,2 +1,9 @@
 Comparing source compatibility of  against 
-No changes.
+===  UNCHANGED CLASS: PUBLIC FINAL io.opentelemetry.extension.kotlin.ContextExtensionsKt  (not serializable)
+	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
+	***  MODIFIED ANNOTATION: kotlin.Metadata
+		===  UNCHANGED ELEMENT: xi=48
+		***  MODIFIED ELEMENT: mv=1,8,0 (<- 1,6,0)
+		===  UNCHANGED ELEMENT: k=2
+		===  UNCHANGED ELEMENT: d1=<3D><>&#xA;<3B>&#xA;<3B><><EFBFBD>&#xA;<3B><><EFBFBD>&#xA;<3B><><EFBFBD>&#xA;<3B><><EFBFBD><EFBFBD>&#xA;<3B><><EFBFBD><EFBFBD>0<EFBFBD>*<2A>0<EFBFBD><30>&#xA;<3B><><EFBFBD><EFBFBD>0<EFBFBD>*<2A>0<EFBFBD><30>&#xA;<3B><><EFBFBD><EFBFBD>0<EFBFBD>*<2A>0<EFBFBD>¨<EFBFBD><C2A8>
+		===  UNCHANGED ELEMENT: d2=asContextElement,Lkotlin/coroutines/CoroutineContext;,Lio/opentelemetry/context/Context;,Lio/opentelemetry/context/ImplicitContextKeyed;,getOpenTelemetryContext,opentelemetry-extension-kotlin

settings.gradle.kts

@@ -4,7 +4,6 @@ pluginManagement {
     id("com.github.johnrengelman.shadow") version "8.1.1"
     id("com.gradle.enterprise") version "3.12.6"
     id("io.github.gradle-nexus.publish-plugin") version "1.3.0"
-    id("org.jetbrains.kotlin.jvm") version "1.8.20"
     id("org.graalvm.buildtools.native") version "0.9.20"
   }
 }