Dependencies: update IntelliJ-based IDE versions

Author: github-actions[bot]

gradle/libs.versions.toml

@@ -1,8 +1,8 @@
 [versions]
 kotlin = "2.1.10"
 rdGen = "2025.1.1"
-riderSdk = "2025.1-EAP8-SNAPSHOT"
-riderSdkPreview = "2025.1-EAP8-SNAPSHOT"
+riderSdk = "2025.1-EAP9-SNAPSHOT"
+riderSdkPreview = "2025.1-EAP9-SNAPSHOT"
 
 [libraries]
 kotlinStdLib = { group = "org.jetbrains.kotlin", name = "kotlin-stdlib", version.ref = "kotlin" }