Add intermediate lifetime.

src/intermediate/footnote_reference.rs

@@ -8,9 +8,9 @@ pub(crate) struct IFootnoteReference {
 }
 
 impl IFootnoteReference {
-    pub(crate) async fn new<'parse>(
-        registry: &mut Registry<'parse>,
-        original: &organic::types::FootnoteReference<'parse>,
+    pub(crate) async fn new<'intermediate, 'parse>(
+        registry: &mut Registry<'intermediate, 'parse>,
+        original: &'intermediate organic::types::FootnoteReference<'parse>,
     ) -> Result<IFootnoteReference, CustomError> {
         let footnote_id = registry.get_footnote_reference_id(original.label, &original.definition);
         Ok(IFootnoteReference { footnote_id })