Source blockmapFile from generator task (#1026)

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build.gradle.kts

@@ -380,7 +380,7 @@ subprojects {
  notCompatibleWithConfigurationCache(
  "UploadPluginTask is not compatible with the configuration cache"
  )
- dependsOn(blockMapTask)
+ blockmapFile.set(blockMapTask.flatMap { it.blockmapFile })
  url.set(
  providers.gradleProperty("SgpIntellijArtifactoryBaseUrl").map { baseUrl ->
  "$baseUrl/${pluginDetails.urlSuffix}"