fix examples build

Author: chernser

examples/demo-kotlin-service/build.gradle.kts

@@ -23,6 +23,8 @@ repositories {
     mavenCentral()
 }
 
+val ch_java_client_version: String by extra
+
 dependencies {
     // application dependencies
     implementation("io.ktor:ktor-server-core-jvm")
@@ -33,8 +35,8 @@ dependencies {
     implementation("io.ktor:ktor-serialization-kotlinx-json:$ktor_version")
 
     // https://mvnrepository.com/artifact/com.clickhouse/client-v2
-    implementation("com.clickhouse:client-v2:$ch_java_client_version-SNAPSHOT:all")
-//    implementation("com.clickhouse:client-v2:$ch_java_client_version:all") // release version
+    implementation("com.clickhouse:client-v2:${ch_java_client_version}-SNAPSHOT:all")
+//    implementation("com.clickhouse:client-v2:${ch_java_client_version}:all") // release version
 
     testImplementation("io.ktor:ktor-server-test-host-jvm")
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version")

examples/demo-service/build.gradle.kts

@@ -25,12 +25,14 @@ repositories {
 	maven("https://s01.oss.sonatype.org/content/repositories/snapshots/") // for nightly builds
 }
 
+val ch_java_client_version: String by extra
+
 dependencies {
 
 	// -- clickhouse dependencies
 	// Main dependency
-	implementation("com.clickhouse:client-v2:$ch_java_client_version-SNAPSHOT:all") // local or nightly build
-//	implementation("com.clickhouse:client-v2:$ch_java_client_version:all") // release version
+	implementation("com.clickhouse:client-v2:${ch_java_client_version}-SNAPSHOT:all") // local or nightly build
+//	implementation("com.clickhouse:client-v2:${ch_java_client_version}:all") // release version
 
 	// -- application dependencies
 	implementation("org.springframework.boot:spring-boot-starter-actuator")