chore: upgrade to kotlin 1.9

Signed-off-by: Sandeep Nishad <[email protected]>

weaver/common/protos-java-kt/build.gradle

@@ -1,9 +1,9 @@
 buildscript {
-    ext.coroutines_version = "1.3.7"
-    ext.protobuf_version = "3.11.1"
-    ext.grpc_version = "1.29.0" // CURRENT_GRPC_VERSION
-    ext.grpc_kotlin_version = "0.1.4" // CURRENT_GRPC_KOTLIN_VERSION
-    ext.kotlin_version = "1.3.72"
+    ext.coroutines_version = "1.8.0"
+    ext.protobuf_version = "4.26.1"
+    ext.grpc_version = "1.63.0" // CURRENT_GRPC_VERSION
+    ext.grpc_kotlin_version = "1.4.1" // CURRENT_GRPC_KOTLIN_VERSION
+    ext.kotlin_version = "1.9.23"
 
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -23,17 +23,16 @@ repositories {
 	mavenLocal()
 	mavenCentral()
 	maven { url 'https://repo1.maven.org/maven2' }
-	maven { url 'https://download.corda.net/maven/corda-dependencies/' }
 	maven { url 'https://jitpack.io' }
 }
 
 apply plugin: 'kotlin'
 
 tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile) {
     kotlinOptions {
-        languageVersion = "1.3"
-        apiVersion = "1.3"
-        jvmTarget = "1.8"
+        languageVersion = "1.9"
+        apiVersion = "1.9"
+        jvmTarget = "17"
         javaParameters = true   // Useful for reflection.
     }
 }
@@ -55,8 +54,8 @@ sourceSets {
 }
 
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    compile "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+    compileOnly "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    compileOnly "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
 
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "io.grpc:grpc-kotlin-stub:$grpc_kotlin_version"