[JetBrains] Update Platform Version from JetBrains Gateway Plugin (EAP) (#20612)

* Update Platform Version of JetBrains Gateway Plugin (EAP) to

* Revert gradle properties changes

Tool: gitpod/catfood.gitpod.cloud

---------

Co-authored-by: Huiwen <[email protected]>

Author: roboquat

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

@@ -8,4 +8,4 @@ pluginUntilBuild=251.*
 # See https://jb.gg/intellij-platform-builds-list for available build versions.
 pluginVerifierIdeVersions=2025.1
 # Version from "com.jetbrains.gateway" which can be found at https://www.jetbrains.com/updates/updates.xml or exec `./gradlew printProductsReleases`
-platformVersion=251.17181.25
+platformVersion=251.21418.71