update kotlin (#7501)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: zeitlinger

buildSrc/build.gradle.kts

@@ -64,7 +64,7 @@ dependencies {
   implementation("me.champeau.jmh:jmh-gradle-plugin:0.7.3")
   implementation("net.ltgt.gradle:gradle-errorprone-plugin:4.3.0")
   implementation("net.ltgt.gradle:gradle-nullaway-plugin:2.2.0")
-  implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.1.21")
+  implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.2.0")
   implementation("org.owasp:dependency-check-gradle:12.1.3")
   implementation("ru.vyarus:gradle-animalsniffer-plugin:2.0.1")
 }

buildSrc/src/main/kotlin/otel.japicmp-conventions.gradle.kts

@@ -142,6 +142,7 @@ if (!project.hasProperty("otel.release") && !project.name.startsWith("bom")) {
           // Temporarily suppress warnings from public generated classes from :sdk-extensions:jaeger-remote-sampler
           "io.opentelemetry.sdk.extension.trace.jaeger.proto.api_v2"
         )
+        annotationExcludes.add("@kotlin.Metadata")
         val baseVersionString = if (apiBaseVersion == null) "latest" else baselineVersion
         txtOutputFile.set(
           apiNewVersion?.let { file("$rootDir/docs/apidiffs/${apiNewVersion}_vs_$baselineVersion/${base.archivesName.get()}.txt") }