fix: allow ResourceTargetDefinition without name for attribute `Pro…

…perties`

This situation arose when describing the changeset of a nested stack.
It's not clear if this was triggered by an upstream change or has always
been an ommission.

src/change_set.rs

@@ -609,7 +609,7 @@ pub enum ResourceTargetDefinition {
     /// A change to the resource's properties.
     Properties {
         /// The name of the property.
-        name: String,
+        name: Option<String>,
 
         /// Indicates whether a change to this property causes the resource to be recreated.
         requires_recreation: RequiresRecreation,
@@ -641,9 +641,7 @@ impl ResourceTargetDefinition {
             .expect("ResourceTargetDefinition without attribute");
         match attribute {
             aws_sdk_cloudformation::types::ResourceAttribute::Properties => Self::Properties {
-                name: target
-                    .name
-                    .expect("ResourceTargetDefinition with attribute \"Properties\" without name"),
+                name: target.name,
                 requires_recreation: target
                     .requires_recreation
                     .expect(concat!(

tests/it/change_set_detail.rs

@@ -90,7 +90,7 @@ async fn secrets_manager_secret_tags_only() -> Result<(), Box<dyn std::error::Er
     assert!(!targets.is_empty());
     assert!(targets.iter().all(|target| matches!(
         target,
-        ResourceTargetDefinition::Properties { name, .. } if name == "Tags"
+        ResourceTargetDefinition::Properties { name, .. } if name.as_deref() == Some("Tags")
     )));
 
     clean_up(stack_name).await?;