Rename cluster to queue

flyteidl2/task/run.proto

@@ -84,9 +84,9 @@ message RunSpec {
   // Deprecated, please use CacheConfig.OverwriteCache instead
   bool overwrite_cache = 5 [deprecated = true];
 
-  // the specific cluster that this action should be executed on. this value will be used as the
-  // default for all actions in the run unless overridden.
-  string cluster = 6;
+  // the queue name that this run should be executed on.
+  // Queue name is unique within an org so it can be used as an id to reference the queue.
+  string queue = 6;
 
   // Encapsulates user settings pertaining to offloaded data (i.e. Blobs, Schema, query data, etc.).
   RawDataStorage raw_data_storage = 7;

flyteidl2/workflow/run_definition.proto

@@ -42,9 +42,9 @@ message TaskAction {
   // Enables caching when set and specifies the cache version to use.
   google.protobuf.StringValue cache_key = 3;
 
-  // the specific cluster that this action should be executed on. if not set, the cluster from the
-  // `RunSpec` will be used.
-  string cluster = 4;
+  // the specific queue that this action should be executed on.
+  // this value will be used to resolve the full queue id and store it in 'assigned_queue' field.
+  string queue = 4;
 }
 
 // TraceAction is used to define a trace action that can be used to track the execution of an action that's managed