[com.circleci.v2] Make setup_remote_docker parameters as optional (#82

)

According to
[setup_remote_docker](https://circleci.com/docs/configuration-reference/#setupremotedocker)
documentation, the parameter is not a required one.

packages/com.circleci.v2/Config.pkl

@@ -511,15 +511,15 @@ class RestoreCacheStep extends AbstractStep {
 class SetupRemoteDockerStep extends AbstractStep {
   fixed hidden __name__ = "setup_remote_docker"
 
-  /// Version string of Docker you would like to use (default: 20.10.17).
+  /// Version string of Docker you would like to use (default: 24.0.9).
   ///
   /// View the list of supported docker versions
   /// [here](https://circleci.com/docs/building-docker-images/#docker-version).
-  version: String
+  version: String?
 
   /// Set this to true to enable [Docker Layer Caching](https://circleci.com/docs/docker-layer-caching/)
   /// in the Remote Docker Environment (default: false)
-  docker_layer_caching: Boolean
+  docker_layer_caching: Boolean?
 }
 
 /// Special step used to persist a temporary file to be used by another job in the workflow.

packages/com.circleci.v2/PklProject

@@ -17,5 +17,5 @@
 amends "../basePklProject.pkl"
 
 package {
-  version = "1.1.4"
+  version = "1.1.5"
 }