Update dependency org.jetbrains.kotlinx:kotlinx-datetime to v0.7.0-0.6.x-compat

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ agp = "8.9.2"
 androidx-activityCompose = "1.10.1"
 androidx-uiTest = "1.7.8"
 kotlinxCollectionsImmutable = "0.3.8"
-kotlinxDatetime = "0.6.2"
+kotlinxDatetime = "0.7.0-0.6.x-compat"
 navigationCompose = "2.8.0-alpha13"
 kotlinx-serialization = "1.8.1"
 mavenPublish = "0.31.0"