Update dependency org.jetbrains.kotlinx:kotlinx-datetime to v0.7.1-0.6.x-compat

Author: renovate[bot]

server/build.gradle.kts

@@ -15,7 +15,7 @@ kotlin {
     val jvmMain by getting {
       dependencies {
         implementation("com.expediagroup:graphql-kotlin-spring-server:7.1.4")
-        implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.6.1")
+        implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.7.1-0.6.x-compat")
         implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3")
 
         //testImplementation("com.squareup.okhttp3:okhttp:4.11.0")