Update Platform Version of JetBrains Backend Plugin (EAP) to 232.9921-EAP-CANDIDATE-SNAPSHOT

Author: roboquat

components/ide/jetbrains/backend-plugin/gradle-latest.properties

@@ -1,9 +1,9 @@
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
-pluginSinceBuild=232.9559
+pluginSinceBuild=232.9921
 pluginUntilBuild=232.*
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
 # See https://jb.gg/intellij-platform-builds-list for available build versions.
 pluginVerifierIdeVersions=2023.2
 # Version from "com.jetbrains.intellij.idea" which can be found at https://www.jetbrains.com/intellij-repository/snapshots
-platformVersion=232.9559-EAP-CANDIDATE-SNAPSHOT
+platformVersion=232.9921-EAP-CANDIDATE-SNAPSHOT