[JetBrains] Upgrade Gitpod Gateway plugins and fix integration tests (#20136)

* [JetBrains] Upgrade platform version of stable and latest Gitpod Gateway plugins

* Update integration tests gateway build path

Author: mustard-mh

components/ide/jetbrains/gateway-plugin/BUILD.yaml

@@ -20,12 +20,10 @@ packages:
       - SDKMAN_DIR=/home/gitpod/.sdkman
     config:
       commands:
-        - ["rm", "-rf", "build.gradle.kts"]
-        - ["mv", "build.gradle-stable.kts", "build.gradle.kts"]
         - - bash
           - "-c"
           - >
-            echo java=17.0.12.fx-zulu > .sdkmanrc
+            echo java=21.0.3.fx-zulu > .sdkmanrc
             && source "$SDKMAN_DIR/bin/sdkman-init.sh"
             && sdk env install
             && ./gradlew "-PpluginVersion=0.0.1-${version}" "-PgitpodProtocolProjectPath=components-gitpod-protocol-java--lib/" "-PenvironmentName=stable" "-Dgradle.user.home=/workspace/.gradle-stable" "-Dplugin.verifier.home.dir=$HOME/.cache/pluginVerifier-stable" "buildFromLeeway"
@@ -47,13 +45,9 @@ packages:
       - publishToJBMarketplace
     env:
       - DO_PUBLISH=${publishToJBMarketplace}
-      # TODO(hw): remove after `2024.2.*` is stable
       - SDKMAN_DIR=/home/gitpod/.sdkman
     config:
       commands:
-        # TODO(hw): remove after 2024.2.* is stable
-        - ["rm", "-rf", "build.gradle.kts"]
-        - ["mv", "build.gradle-latest.kts", "build.gradle.kts"]
         - - bash
           - "-c"
           - >

components/ide/jetbrains/gateway-plugin/build.gradle-latest.kts

@@ -1,10 +1,10 @@
+# Code generated by gha-update-image/index-jb-platform-update.ts. DO NOT EDIT.
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
 pluginSinceBuild=242.20224
 pluginUntilBuild=242.*
 # 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=2024.2
-# Version from "com.jetbrains.gateway" which can be found at https://www.jetbrains.com/updates/updates.xml
-platformVersion=242.20224.92
-
+# Version from "com.jetbrains.gateway" which can be found at https://www.jetbrains.com/intellij-repository/snapshots
+platformVersion=242.20224.368