Deprecates the name-optional flavor of StatelessWorkflow.action

Missed a spot in #1226.

workflow-core/src/commonMain/kotlin/com/squareup/workflow1/StatelessWorkflow.kt

@@ -113,6 +113,16 @@ public fun <RenderingT> Workflow.Companion.rendering(
   rendering: RenderingT
 ): Workflow<Unit, Nothing, RenderingT> = stateless { rendering }
 
+
+@Deprecated(
+  "Always provide a debugging name",
+  ReplaceWith("action(\"TODO: debugging name\", update)")
+)
+public fun <PropsT, OutputT, RenderingT>
+  StatelessWorkflow<PropsT, OutputT, RenderingT>.action(
+  update: WorkflowAction<PropsT, *, OutputT>.Updater.() -> Unit
+): WorkflowAction<PropsT, Nothing, OutputT> = action("", update)
+
 /**
  * Convenience to create a [WorkflowAction] with parameter types matching those
  * of the receiving [StatefulWorkflow]. The action will invoke the given [lambda][update]
@@ -123,7 +133,7 @@ public fun <RenderingT> Workflow.Companion.rendering(
  */
 public fun <PropsT, OutputT, RenderingT>
   StatelessWorkflow<PropsT, OutputT, RenderingT>.action(
-    name: String = "",
+    name: String,
     update: WorkflowAction<PropsT, *, OutputT>.Updater.() -> Unit
   ): WorkflowAction<PropsT, Nothing, OutputT> = action({ name }, update)